In what way does crossing over influence the genetic variation of offspring?
A. Genes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.
B. Chromosomes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.
C. Genes from both parents are kept separate, which reduces the number of possible combinations that the offspring can receive.
D. Chromosomes from both parents are kept separate, which reduces the number of possible combinations that the offspring can receive.
Answers
Answer:
A and B are both correct.
Explanation:
Chromosomes from both parents are interchanged, which increases the number of possible combinations that the offspring can receive.
Related Questions
Which feature of the model represents stored chemical energy
Answers
The sugar molecule represents the most stored chemical energy. Thus, the correct answer is Option B.
Sugar (glucose, C₆H₁₂O₆) is a biological molecule that stores energy in its chemical bonds, not the molecule that initiates the process of cellular respiration During cellular respiration, glucose is broken down in a series of chemical reactions to produce energy ATP (adenosine triphosphate).
The process of cellular respiration begins at the stage of glycolysis, where glucose in the cytoplasm of the cell is partially broken down into pyruvate molecules and then the pyruvate molecules are broken down again in the presence or production of oxygen (aerobic respiration). fermentation in the absence of oxygen depending on whether oxygen is present
During aerobic respiration, pyruvate enters mitochondria and undergoes the citric acid cycle (also known as the Krebs cycle) and the electron transport chain These processes release energy from glucose chemical bonds to produce more ATP.
Therefore, sugar (glucose), although it stores energy in its chemical bonds, is not the molecule that initiates cellular respiration. Instead, during cell respiration, glucose is broken down and energy is released in the form of ATP.
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Complete question:
Which feature of the model represents the most stored chemical energy?
A. The oxygen gas molecule
B. The sugar molecule
C. The water molecule
D. The carbon dioxide molecule
TRUE / FALSE. which of the following is a drawback of the polycentric approach to staffing? group of answer choices firms are likely to suffer from cultural myopia.
Answers
The following is a drawback of the polycentric approach to staffing is firms are likely to suffer from cultural myopia. The given statement is true because one of the major drawbacks of the polycentric approach to staffing is the possibility of cultural myopia.
This term refers to the tendency for companies to become too focused on the local culture and ignore the broader global context. Polycentric staffing involves hiring local employees to manage subsidiaries in different countries, which can be an effective way to navigate cultural differences and gain local knowledge. However, relying too heavily on local managers can lead to a narrow perspective that overlooks global trends and opportunities.
This can limit innovation, hinder collaboration across borders, and make it difficult for the company to compete on a global scale. To avoid cultural myopia, companies using a polycentric approach need to balance the benefits of local expertise with the need for a global mindset. They should encourage cross-cultural communication, invest in training and development programs, and actively seek out diverse perspectives from both local and global employees. So therefore the correct answer is the given statement is true because possibility of cultural myopia isone of the major drawbacks of the polycentric approach to staffing.
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Genetic sequencing technologies are evolving at a rapid pace with major implications for research and clinical practice. In this review, the authors provide an updated overview of next-generation sequencing (NGS) and emerging methodologies. NGS has tremendously improved sequencing output while being more time and cost-efficient in comparison to Sanger sequencing. The authors describe short-read sequencing approaches, such as sequencing by synthesis, ion semiconductor sequencing, and nanoball sequencing. Third-generation long-read sequencing now promises to overcome many of the limitations of short-read sequencing, such as the ability to reliably resolve repeat sequences and large genomic rearrangements. By combining complementary methods with massively parallel DNA sequencing, a greater insight into the biological context of disease mechanisms is now possible. Emerging methodologies, such as advances in nanopore technology, in situ nucleic acid sequencing, and microscopy-based sequencing, will continue the rapid evolution of this area. These new technologies hold many potential applications for hematological disorders, with the promise of precision and personalized medical care in the future.
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.
Conflict of interest statement
The authors do not have any conflicts of interest to declare.
what could be the alternatives to Next-Generation Sequencing and Emerging Technologies in project management?
Answers
These are some alternatives to NGS in project management:
Sanger sequencingMicroarraysProteomicsWhat are these alternatives?Next-generation sequencing (NGS) is a powerful tool for genetic research, but it is not the only option available.
Sanger sequencing: Sanger sequencing is a traditional method of DNA sequencing that is still used in some applications. It is less sensitive and less efficient than NGS, but it is also less expensive.
Microarrays: Microarrays are a type of gene chip that can be used to measure the expression of multiple genes at once. They are not as sensitive as NGS, but they are less expensive and can be used to study gene expression in large populations.
Proteomics: Proteomics is the study of proteins. It can be used to identify and quantify proteins in a sample. Proteomics is not as sensitive as NGS, but it can be used to study the function of genes in a sample.
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TAC-ATG-TGG-CCA
How should the complementary strand of DNA be represented according to the base-pairing rules?
AUG-UAG-AGG-CCU
TAC-ATG-TGG-CCA
ATG-TAC-ACC-GGT
UTG-TUC-UCC-GGT
Answers
Answer:
ATG-TAC-ACC-GGT
Explanation:
You have to know that
A with T
T with A
G with C
C with G
Quantity that does not change
Answers
Answer: Constant
Explanation:
Which are functions of small RNAS?
Select all that apply.
to build proteins using codons
to cause a protein complex to break down mRNA molecules
to carry all the information necessary to build proteins
to prevent mRNA molecules from being translated
Answers
Small RNAs serve a variety of purposes, like option B: to cause mRNA transcripts to be broken down by a protein complex, and option D: mRNA molecules from being translated.
By attaching to particular mRNAs and either preventing or triggering the destruction of their translation, small RNAs, such as microRNAs and siRNAs, can control the expression of genes. They neither carry the information required to construct proteins on their own, nor do they construct proteins using codons.
Numerous biological processes require RNA, also known as ribonucleic acid, which is a single-stranded nucleic acid. Its structure is comparable to that of DNA, except instead of deoxyribose and thymine, it contains the sugar ribose and the nucleotide uracil.
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macromolecules in which class have the key function of storing genetic information?
Answers
Genetic information is stored, transmitted, and expressed by nucleic acids, which are polymers. The sequences of monomers that make up nucleic acids are coded with this data.
Macromolecules are what?In essence, macromolecules are polymers—lengthy sequences of molecular building blocks known as monomers. Long polymers are present in carbohydrates, proteins, and nucleic acids. They are referred to as macromolecules since they are polymeric and huge in size.
What are macromolecules, and what are their purposes?A cell is made up of several large molecules known as macromolecules, which give it vital life-supporting functions. For instance, macromolecules offer structural support, a way to store energy, the capacity to store and retrieve genetic data, and the capacity to quicken metabolic processes.
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What happens along the neural pathway when the tongue detects the stimulus?
Answers
Nerve cells transmit taste signals to the brain.
the tail of the pancreas will sit most directly adjacent to which organ? group of answer choices cA. ecum appendix B. spleen duodenum C. ight lobe of the liver D. gallbladder
Answers
The tail of the pancreas sits most directly adjacent to the spleen duodenum (B).
The pancreas is an elongated glandular organ that plays a vital role in digestion and regulating blood sugar levels. It is situated in the abdominal cavity and extends horizontally across the posterior abdominal wall. The pancreas has three major sections: the head, body, and tail. The tail of the pancreas is its narrow, tapered end that extends towards the left side of the body.
The spleen, on the other hand, is an organ located in the upper left part of the abdomen, just below the diaphragm and behind the stomach. It functions as a filter for blood and plays a crucial role in the immune system. The spleen's close proximity to the tail of the pancreas makes it the organ that sits most directly adjacent to the tail of the pancreas.
In summary, among the given choices, option B (spleen duodenum) is the organ that sits most directly adjacent to the tail of the pancreas.
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The tail of the pancreas sits most directly adjacent to the b. spleen duodenum
The pancreas is a vital organ located in the abdominal cavity, playing essential roles in digestion and hormone production. It has a unique elongated shape, with a head, body, and tail. The head of the pancreas is nestled in the curve of the duodenum, while the tail extends towards the hilum of the spleen. The spleen, a lymphatic organ, is responsible for filtering blood, storing platelets, and producing white blood cells.
While the other organs mentioned, such as the appendix, liver, and gallbladder, are present in the abdominal cavity, they do not have a direct adjacency to the tail of the pancreas. In conclusion, the tail of the pancreas is most directly adjacent to the spleen, and both organs play crucial roles in maintaining the body's overall health and functioning. So therefore the correct answer is b. spleen duodenum.
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Minerals crystallize early in bowen's reaction series would most likely be found as:_________
Answers
Minerals that crystallize early in Bowen's reaction series are most likely to be found as mafic or ferromagnesian minerals.
Bowen's reaction series is a concept in geology that describes the order in which minerals crystallize from a cooling magma. It illustrates how minerals with different compositions form at different temperatures as the magma cools and solidifies. The series is divided into two branches: the discontinuous series and the continuous series.
In the discontinuous series, minerals crystallize in a specific order as the magma cools. The minerals that crystallize first at higher temperatures are generally mafic or ferromagnesian minerals, which are rich in iron (Fe) and magnesium (Mg). Examples of these minerals include olivine, pyroxene, and amphibole. These minerals have a higher melting point and are more stable at higher temperatures.
As the magma continues to cool, minerals with intermediate compositions, such as plagioclase feldspar, begin to crystallize. Finally, at lower temperatures, minerals with higher silica content, such as potassium feldspar and quartz, crystallize.
Therefore, minerals that crystallize early in Bowen's reaction series, such as mafic and ferromagnesian minerals, are more likely to be found in the earlier-formed rocks, such as basalts and gabbros, which are associated with volcanic activity or the solidification of magma.
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Norepinephrine causes constriction of blood vessels. If a certain blood vessel is constricted to half of its diameter yet
Answers
maintains the same length, the resistance to blood flow through the vessel will increase by a factor of 16.
When a blood vessel constricts, its diameter decreases. According to the relationship between resistance and vessel diameter, resistance is inversely proportional to the fourth power of the radius (r^4). If the vessel diameter is halved, the radius is reduced to one-fourth of its original value. Substituting this new radius into the resistance equation, we get:
New Resistance = (1/4)^4 = 1/256
This means that the resistance to blood flow through the constricted vessel increases by a factor of 256 compared to its original state. In other words, the resistance is 256 times higher when the vessel diameter is reduced to half while maintaining the same length.
The constriction of blood vessels by norepinephrine plays a role in regulating blood pressure and blood flow distribution in the body. By constricting certain blood vessels, norepinephrine can increase vascular resistance, which can have effects on overall blood pressure and regional blood flow.
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Which of the following are branches in the study of biology?*
1) botany, cell biology, ecology, and zoology
2) the genetic code, evolution, and the biosphere
3) cells, tissues, organs, and organisms
4) populations, communities, and ecosystems
Answers
placental mammals give birth to more fully developed offspring than marsupial mammals and therefore have a greater chance of offspring survival. this helps to explain why placental mammals from north america displaced many native south american marsupial mammals when a land bridge formed between the two continents.
Answers
It is true that placental mammals give birth to more fully developed offspring than marsupial mammals and therefore have a greater chance of offspring survival. This helps to explain why placental mammals from North America displaced many native South American marsupial mammals when a land bridge formed between the two continents.
Therian mammals called placental mammals have developing placentas during pregnancy. The foetus is fed by the placenta as it develops inside the mother's uterus. Mammals with placenta give birth to children that are generally mature and large. Mammals that carry babies are the majority.
Hence, placental mammals give birth to more fully developed offspring than marsupial mammals and therefore have a greater chance of offspring survival.
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Using both articles "Using Forests Wisely" and "Community Conservation" answer the following questions.
Summarize the scientific information that leads to conservation in each of the articles.
What social issues affected the problem or its solution in each of the stories?
How did economics delay scientists' first attempts at conservation in each story?
Describe the political actions that led to successful conservation in both stories.
Answers
"Using Forests Wisely" describes the importance of managing forests sustainably in order to preserve their ecological and economic benefits.
The article highlights scientific research on the role of forests in regulating water cycles, preventing soil erosion, and providing habitat for biodiversity. It also discusses the economic benefits of sustainable forestry, such as long-term timber yields and carbon sequestration.
How to explain the article?"Community Conservation" discusses the importance of involving local communities in conservation efforts in order to ensure their success. The article highlights scientific research on the effectiveness of community-based conservation in protecting biodiversity and preserving traditional knowledge and culture.
In both articles, social issues such as poverty and lack of education can affect the problem and its solution by making it difficult for local communities to participate in conservation efforts. Additionally, in "Using Forests Wisely" the article states that illegal logging and land clearance for agriculture are major drivers of deforestation, which undermines conservation efforts.
Economics also played a role in delaying scientists' first attempts at conservation in both stories. In "Using Forests Wisely", the article states that short-term economic incentives such as clear-cutting for timber often conflicted with the long-term benefits of sustainable forestry. In "Community Conservation" the article states that lack of funding and resources can make it difficult for community conservation groups to implement their plans.
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Straw is an agricultural byproduct consisting of the dry stalks of cereal plants after the grain and chaff have been removed. It makes up about half of the yield of cereal crops such as barley, oats, rice, rye and wheat. It has a number of different uses, including fuel, livestock bedding and fodder, thatching and basket making
How would the supply of straw be affected by an increase in the price of wheat?
A) Movement up and to the right on the supply curve
B) Movement down and to the left on the supply curve
C) Supply increases
D) Supply decreases
Answers
An increase in the price of wheat would lead to a decrease in the supply of straw. This is because farmers would allocate fewer resources to the cultivation of other cereal crops, reducing the production of straw as a byproduct. Therefore, the correct answer is D) Supply decreases.
An increase in the price of wheat would affect the supply of straw by decreasing it. When the price of wheat rises, farmers have a greater incentive to allocate more resources towards growing wheat rather than other crops. Since straw is a byproduct of cereal crops like barley, oats, rice, rye, and wheat, an increase in the price of wheat would lead farmers to focus more on producing wheat, reducing the production of other cereal crops.
As a result, the supply of straw would decrease because farmers are allocating fewer resources to the cultivation of crops that generate straw as a byproduct. This decrease in supply would be represented by a movement down and to the left on the supply curve, as less straw would be available at each price level.
To illustrate this, consider a hypothetical scenario where the price of wheat increases. Farmers, motivated by higher profits, would shift their production towards growing more wheat. This would result in less land, labor, and resources being allocated to other cereal crops, ultimately reducing the overall production of straw. Consequently, the supply curve for straw would shift to the left, indicating a decrease in the quantity of straw supplied at each price level.
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Which statement best describes viral reproduction?
A. Viruses reproduce independent of cell based organisms.
B. Viruses may contain DNA or RNA.
C. Viral nucleic acid is inserted into a host cell where it may replicate immediately or
become dormant until a later time.
D. The lysogenic phase of viral replication causes cell death, while the lytic phase of
viral replication results in prophage formation.
Answers
Answer:
C:Viral nucleic acid is inserted into a host cell where it may replicate immediately or become dormant until a later time
Explanation:
Most viruses start to release nucleic acid into the host cell to replicate(not reproduce) itself immediately after it attaches itself to the cell but depending on the specie of the virus and the health of the cell the virus might not replicate immediately but wait till a later time or not replicate at all.
according to the ten percent law, only about 10% of the energy consumed makes it from one trophic level to the next. with this in mind, if you started with 1,000 calories of willow leaves, how many calories would make it to each of these other animals?
Answers
About 10% of the energy in the food is fixed into animal flesh.
Food is any nutrient-wealthy fabric consumed or absorbed by means of human beings, animals, or flora in an effort to sustain existence and increase.
Nutrients are materials that provide: strength for activity, growth, and all capabilities of the frame together with respiration, digesting meals, and preserving heat; substances for the boom and restoration of the body, and for retaining the immune device wholesome.
Eating conduct is defined as “conscious, collective, and repetitive behaviors, which lead human beings to pick, consume, and use certain ingredients or diets, in reaction to social and cultural influences.
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explain why a fresh wound on the skin bleeds more on a hot day than a cold day
Answers
Answer: This is more of a guess based on what I already know about liquid in certain temperatures but I would say it would have to be related to the blood having a harder time congealing due to the molecules moving faster because of the temperature. You probably already know that atoms move faster in higher temperatures as opposed to cooler ones, therefore the process of congealment and essentially transitioning from liquid to solid would be easier/quicker in cooler temperatures where the atoms in and around the wound would be moving slower.
Explanation:
Pioneer organisms modify their environment, establishing conditions under which more advanced organisms can live. True or false?.
Answers
Answer:
True
Explanation:
Because for example a pioneer organism helps the soil and that helps other organisms thrive
Within the stem of a vascular plant, where would you expect to find the cells that are that are the most mature?A. at the base of the stem near the soilB. within the shoot apical meristem at the tip of the stemC. within the zone of elongation directly beneath the shoot apical meristem
Answers
Within the stem of a vascular plant, the cells that are the most mature can be found towards the base of the stem, near the soil. As the plant grows, new cells are continually produced at the apical meristem, which is located at the tip of the shoot. Here option B is the correct answer.
These cells are initially undifferentiated and unspecialized, and as they divide and grow, they differentiate into various specialized cell types, including those involved in support, transport, and storage.
As the cells move further away from the apical meristem and towards the base of the stem, they mature and become fully differentiated. They may take on specific functions, such as transporting water and nutrients or providing structural support for the plant.
Therefore, it is most likely to find the most mature cells in the region of the stem closest to the roots, where the cells have had the longest time to differentiate and mature.
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the immune system occasionally malfunctions. which description provides examples of immune system malfunctions?
Answers
Multiple sclerosis and allergic reactions to pollen are examples of immune system malfunctions.
1. Multiple sclerosis (MS): MS is an autoimmune disease in which the immune system mistakenly attacks the protective covering of nerve fibers in the central nervous system.
This leads to communication problems between the brain and the rest of the body, resulting in a wide range of symptoms such as fatigue, muscle weakness, coordination and balance issues, and cognitive impairment.
2. Allergic reactions to pollen: Allergic reactions occur when the immune system overreacts to substances that are typically harmless, such as pollen.
In the case of pollen allergies (also known as hay fever or allergic rhinitis), the immune system identifies pollen as a threat and triggers an immune response, releasing histamines and other chemicals that cause symptoms such as sneezing, itching, nasal congestion, and watery eyes.
These examples highlight different types of immune system malfunctions.
In the case of MS, the immune system mistakenly targets the body's own cells (autoimmunity), while in allergies, the immune system overreacts to harmless substances (hypersensitivity).
These malfunctions can lead to chronic conditions and discomfort for affected individuals.
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PLEASE HELP ME, it's URGENT!! TO GET A BRAINLIEST FROM ME, PLEASE EXPLAIN WHY YOU CHOSE THAT OPTION
The breaking down of starch into its component sugars would be an example of
A. Catabolism
B. Cell Division
C. Protein Synthesis
Answers
Answer:
A. Catabolism
Explanation:
Catabolism is the process by which complex molecules are broken down into simpler molecules, like starch to component sugars or proteins to amino acids. Cell division is the process by which a parent cell will divide into two or more daughter cells, like mitosis or meiosis. Protein synthesis is the process by which proteins are made, this is through transcription and translation.
Hubble measured the velocity of the movement of galaxies by using
.
Hubble’s law states that galaxies located farthest from the center of the universe
than those closest to the center.
Answers
Hubble measured the velocity of galaxies by using the Doppler effect, and Hubble states that galaxies farthest from the center of the universe move faster.
What is the Doppler effect?The Doppler effect is a theory used in physics to understand how we can determine modifications in the wave frequency that are associated with the investigator who is observing these waves and wave source.
The Doppler effect depends on different physic variables such as wave speed, investigator position (and velocity), wave sources, etc.
In conclusion, Hubble measured the velocity of galaxies by using the Doppler effect, and Hubble states that galaxies farthest from the center of the universe move faster.
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Answer:
1 st box is the 1st choice and the 2nd box is the 2nd choice
Explanatio
Jill is preparing to cook a family dinner, and she begins by gathering ingredients for the
main course and dessert. She realizes that most ingredients go through both physical
and chemical changes as they cook.
One of the ingredients for her main course undergoes physical changes. Which of the
following is a physical change?
boiling water
cooking eggs
O grilling hamburgers
O baking bread
Answers
Answer:
Boiling water
Explanation:
Boiling water is an example of physical change as it does not cause any change in the chemical composition of water.
What are physical changes?Physical changes are defined as changes which affect only the form of a substance but not it's chemical composition. They are used to separate mixtures in to chemical components but cannot be used to separate compounds to simpler compounds.
Physical changes are always reversible using physical means and involve a change in the physical properties.Examples of physical changes include melting,boiling , change in texture, size,color,volume and density.Magnetism, crystallization, formation of alloys are all reversible and hence physical changes.
They involve only rearrangement of atoms and are often characterized to be changes which are reversible.
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The students are studying for an exam in pharmacology. They know several local anesthetics have been covered along with other forms. Which medication can they anticipate as being local anethetics on the exam?
a) marcaine
b) xylocaine
c) novocain
Answers
Answer:
These are all examples of local anaesthetics a) marcaine(Bupivacaine) b) xylocaine(lidocaine) c) novocain(procaine) are all examples of local anaesthesia
Explanation:
Generally local anaesthetic are drugs used in clinical anaesthesia to block or suppress the sensation of pain at the specific region or part of the body where it was applied.The effect of the application depends on the dose applied and the period of application.
The work by inhibiting transmission of action potential as nerve transmission,through blocking of sodium channels. Thus depolarization is prevented,and nervous transmission to the brain (and therefore pain) is suppressed
Generally pain transmission fibres are blocked first,motor sensation are lost afterwards ,therefore touch sensation and pressure are the last to be lost by the local region.
They are classified into Amide or ester group based on the chemical structures.The examples in the question are amides.
Subcutaneous or epidural administrations can be used to apply
Write a ""lifeline"" of a robin over the first year of its life. Include important events.
Answers
Answer: I hope that this helps you please give me brainiest
Robins are born in the spring or summer and are mature birds and ready to breed in the following spring or summer. They do not mate for life. Pairs usually remain together during an entire breeding season, which can involve two or three nestlings.
Since leaving the nest (fledgling), it takes another 10-15 days for babies to become good fliers and individual birds. The parents continue to feed their young throughout this time.
Explanation:
How long do robins live?
A. Most robins die their first year. But the lifespan goes up dramatically for the ones that survive that critical time, because they've learned so many important life skills. Of those that survive their first year, most wild robins live to be about 5 or 6. As of February, 2001, the longest-living banded wild robin ever recorded had survived 13 years and 11 months, according to the Bird Banding Laboratory at the Patuxent Wildlife Research Center. In captivity, robins have survived longer than 17 years.
Q. Do robins mate for life?
A. No, robins do not mate for life. Pairs usually remain together during an entire breeding season, which can involve two or three nestings. However, in spring, sometimes a male and female who mated the previous year will both return to the same territory and end up together for another year. This happens most frequently when they were successful raising babies the previous year.
Q. How long do robins stay in the egg? (egg stage)
A. About 12-14 days after the last egg was laid. (Robins lay one egg per day, for a total of 5-6 eggs in a clutch.)
Q. How long do robin babies stay in the nest (nestling stage)?
A. Baby robins jump from their nest when they are about 13 days old (but the range is 9 - 16 days old).
Q. When do young robins learn to fly? (fledgling stage)
A. After leaving the nest (fledging), it takes another 10-15 days for babies to become strong fliers and independent birds.
Q. How long does it take a robin to go from egg to independence?
A. Here is a summary:
Life Cycle Stage # Days
Egg 12 - 14
Nestling 9 - 16
Fledgling 10 - 15
Total 31 - 45
Q. How old are robins when they mate?
A. Almost one year old. Robins are mature adults and ready to breed in the spring that follows the spring or summer they were born.
Which of the following best describes three of the known cause of foodborne illness?
Answers
The following which best describes the three known cause of foodborne illness include the following:
Poor handwashing.Food contaminationLack of temperature control.What is Food borne illness?This is referred to a type of illness which is caused when food substances are consumed as a result of their contamination by different microbes such as bacteria etc.
Poor hand washing causes this type of illness because the germs in the hands come in contact with the food thereby resulting in it being eaten and then causing problems in the body.
Another cause of foodborne illness is lack of temperature control due to the fact that some food favor the growth of microbes when they aren't stored under the right temperature. This is the reason why refrigerators are used to store food so as to inhibit the growth of bacteria and prevent it from spoiling.
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HELP!! Biodiversity plays an important role in the equllibrium of an ecosystem. Human activities such as habitat
One possible reason why polar bear might not versily, to surive if the ervironment they live in continues to change is
destruction plays a role in the reduction of biodiversity.
A. the species will experience decreased competition for mates
B.the new environment will cause greater variation in the species.
C.there will be a larger variety of food sources available
D. they are adapted to the specific environment in which they live now
Answers
Answer: The most likely reason why polar bears might not survive if the environment they live in continues to change is (D) they are adapted to the specific environment in which they live now.
Polar bears are adapted to the Arctic environment and are highly specialized for hunting and living in the extreme conditions of the region. They are vulnerable to changes in their environment, and if the Arctic continues to warm and the ice continues to melt, polar bears may not be able to adapt quickly enough to the new conditions, which could threaten their survival.
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Artificial selection for certain traits in Brassica oleracea (European wild mustard)
A) produced a single new species.
B) generated new populations with identical genetic makeup.
C) gave rise to plants that are quite different in appearance due to the introduction of
foreign DNA.
D) gave rise to plants that are quite different in appearance by virtue of the genetic
variation inherent in the mustard plant.
E) gave rise to plants that are quite different in appearance due to low variability in
the gene pool of the mustard plant.
Answers
Artificial selection for certain traits in Brassica oleracea (European wild mustard) gave rise to plants that are quite different in appearance by virtue of the genetic variation inherent in the mustard plant. Option(D)
Artificial selection in Brassica oleracea, also known as European wild mustard, involves intentionally breeding individuals with desired traits over multiple generations. Through this process, individuals with traits of interest are selected as parents, and their offspring inherit those traits. Over time, this selective breeding leads to plants that exhibit significant differences in appearance compared to their wild ancestors.
The genetic variation inherent in the mustard plant population allows for the selection and expression of different traits through artificial selection. The process does not involve the introduction of foreign DNA (option C) but rather utilizes the existing genetic diversity within the mustard plant species. Consequently, the selected plants may display considerable variation in appearance due to the genetic variability present in the gene pool of the mustard plant (option D).
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If the cell were a city, which organelle would be a factory?
A-nucleus
B- endoplasmic reticulum
C-cell membrane
D-vacuole
Answers
Answer:
Introduction
Job in the Factory Cell Organelle
Factory floor Cytoplasm
Assembly line (where workers do their work) Endoplasmic Reticulum (ER)
Workers in the assembly line Ribosomes
Finishing/packaging department Golgi apparatus
Explanation:
i hope you understand
Answer:
Endoplasmic reticulum
Explanation:
The endoplasmic reticulum is responsible for the making, folding, modification and transport of proteins.