When a maize plant with a mutation in the allele encoding the large subunit of rubisco is crossed with a plant that contains the normal allele, examination of the offspring can enable a researcher to determine which parent contributed the ovule or the pollen to the cross.
By examining the offspring, the researcher can determine if the mutant allele is present in the offspring, and from there, can determine which parent contributed the ovule or the pollen. If the offspring have the mutant allele, then the mutant plant contributed the ovule, as it is the maternal parent, and the allele is inherited through the egg.
If the offspring do not contain the mutant allele, then the mutant plant contributed the pollen, as the allele is not inherited through the sperm. In order to determine the allele present in the offspring, the researcher can use a variety of techniques, such as DNA sequencing, to examine the offspring's genome and determine which alleles are present.
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NAME
Local Land and Sea Breezes
Directions: Using the diagrams below, draw in the movement of wind using arrows to show land breezes
and sea breezes. Additionally, label where there are areas of high pressure and areas of low pressure. Lastly
answer the questions that follow.
(
1. In the diagrams, what are the circular motions of air called?
Answer:
2. What causes these circular motions of air to occur?
Answer:
DATE:
3. Why is the warmer air rising while the colder air is sinking?
Answers
4. Why is the land significantly warmer in the daytime when compared to the
The circular motions of air in these diagrams are called convection currents.
These circular motions of air occur due to the temperature differences between land and water.
Warmer air rises because it becomes less dense, and colder air sinks because it is denser.
The land is significantly warmer in the daytime compared to the water because land heats up and cools down more rapidly than water due to differences in its heat capacities.
What are land and sea breezes?Land and sea breezes are local wind patterns that occur near coastal areas. They are caused by the differential heating and cooling of land and water surfaces.
During the day, land surfaces heat up more quickly than water surfaces, creating a temperature difference between the two. This temperature difference leads to the formation of breezes:
These land and sea breezes can have significant effects on local weather and can provide relief from the heat or humidity depending on the time of day and location.
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which of the following describes a reason for making a prediction when doing a controlled experiment
a. To understand the nature of an experimental subject
b. To provide a context for why a specific question was asked
c. To indicate what specific results will support a hypothesis
d. To identify a useful and reliable source of scientific information
To indicate what specific results will support a hypothesis.
Experiment plays many roles in science. One of its important roles is to test theories and to provide the basis for scientific knowledge.What is hypothesis?A hypothesis is an assumption, an idea that is proposed for the sake of argument so that it can be tested to see if it might be true.In the scientific method, the hypothesis is constructed before any applicable research has been done, apart from a basic background review.To know more about experiment here
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ASAP DUE IN A FEW MINS PLS
Answer: The Substance is called Carbon Dioxide
Explanation:
This is essential for internal respiration. Carbon dioxide is a guardian of the pH of the blood, which is essential for survival.
I hope this helps
Define photophosphorylation?
The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.
30 points and brainly
What is the mass of the object on the triple beam balance?
Answer:
298
Explanation:
because
Answer: 167
Explanation:
coaches are legally allowed to discuss which of the following topics with their athletes?group of answer choices a) carbohydrate intake for diabetics b) recommended fat intake for an athlete to lose weight c) serving sizes of foods from the various foods groups d) grams of protein needed for a vegetarian athlete
The correct option is A, coaches are legally allowed to carbohydrate intake for diabetic with their athletes.
Diabetes is a chronic health condition characterized by high blood sugar levels. It occurs when the body fails to properly regulate the hormone insulin, which is responsible for controlling the amount of glucose (sugar) in the bloodstream. There are primarily two types of diabetes: type 1 and type 2.
Type 1 diabetes is an autoimmune disease where the immune system attacks and destroys the insulin-producing cells in the pancreas. People with type 1 diabetes rely on regular insulin injections or the use of an insulin pump to manage their blood sugar levels. Type 2 diabetes, on the other hand, is a metabolic disorder often associated with lifestyle factors such as poor diet, sedentary lifestyle, and obesity
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if a population does not meet the requirements of hardy-weinberg equilibrium, how are the allelic frequencies of that population affected?
If a population does not meet the requirements of Hardy-Weinberg equilibrium, the allelic frequencies of that population will be affected by factors such as mutation, migration, genetic drift, natural selection, and non-random mating.
Hardy-Weinberg equilibrium describes the conditions under which allelic frequencies in a population remain constant from generation to generation. These conditions include a large population size, no mutation, no migration, no genetic drift, no natural selection, and random mating. If any of these conditions are not met, the allelic frequencies of the population will be affected.
Mutation introduces new alleles into a population, and migration brings in new alleles from other populations. Both of these factors can change the allelic frequencies of a population.
Genetic drift refers to random fluctuations in allelic frequencies due to chance events, and it can have a greater effect on smaller populations. Natural selection acts on individuals with certain traits, leading to differential survival and reproduction, which can also affect allelic frequencies.
Non-random mating, such as assortative mating, inbreeding, or sexual selection, can lead to changes in allelic frequencies by altering the distribution of genotypes in the population.
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The function of the medulla oblongata is?
A) Vision
B) Hearing
C) Balance/Coordination
D) Basic body functions, heart functions, vomiting, swallowing.
Answer:
d. It also includes , breathing, digestion, swallowing
Which of the following is an example of genetic discrimination?
A. George asks his doctor to analyze his genetic profile.
B. Everyone at Malik's company is asked to take a genetic test.
C. Pablo has diabetes. He receives shots of genetically engineered insulin to treat his disease.
D. Brenda is dropped by her health insurance because she is a carrier for hemophilia.
Brenda is dropped off by her health insurance because she is a carrier of hemophilia is an example of genetic discrimination. Hence, option D is correct.
What is genetic discrimination?When people treat others differently because they have or are thought to have a gene mutation that causes or raises the risk of an inherited condition, this is known as genetic discrimination.
Direct discrimination, indirect discrimination, harassment, and victimization are some types of genetic discrimination.
For example, Brenda is dropped off by her health insurance because she is a carrier of hemophilia. Therefore, option D is correct.
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Which is calcium dependent? GAP JunctionDesmosome (Maculae adherens)Adherens Junction (Zonulae adherens)Tight Junction (Zonulae occludens)
Adherens Junctions are calcium dependent junction.
The correct option is (C) Adherens Junction
Adherens junctions: What are they?Cell-cell adhesion complexes known as adherens junctions (AJs) allow cells within a tissue to respond to pressures, biochemical cues, and structural changes in their surroundings. AJs are constantly created and destroyed. Over a set of specified processes, such as initiation, cadherin recruitment, and the recruitment of plaque proteins, the creation and operation of the adherens junction may be explained. As migratory cells first come into contact with one another to create a tissue, for example, adherens junction assembly takes place. It can also happen in pre-existing tissues when cells divide, alter shape, or move in response to pharmacological or mechanical stimuli.Learn more about the Adherens junctions with the help of the given link:
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What happens during meiosis to make new unique gametes?
Homologous chromosomes (one from each parent) pair along their lengths during meiosis. Chiasma points are where the chromosomes cross. The chromosomes split and reassemble at each chiasma, swapping some of their genes. Genetic variety is produced by this recombination.
Meiosis, often known as "lessening" since it is a reductional division, is a unique form of germ cell division in sexually reproducing animals that results in gametes like sperm or egg cells.
It comprises two rounds of division, producing four cells with just one copy of each chromosome as a final product (haploid). Furthermore, genetic material from the paternal and maternal copies of each chromosome is crossed over prior to division, resulting in novel combinations of coding on each chromosome.
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Why does the skin of your mother's fingers shrink when she washes clothes for a long
time?
a. What is responsible for these changes? Explain the process in brief.
The skin of your mother's fingers shrinks when she washes clothes for a long time due to prolonged exposure to water. This exposure disrupts the natural balance of moisture in the skin, leading to the shrinkage.
1. When your mother washes clothes for a long time, her fingers come into contact with water continuously.
2. Water is a natural solvent and can dissolve substances, including the protective oils and moisture present on the skin.
3. The outermost layer of the skin, called the stratum corneum, acts as a barrier to prevent excessive water loss and protect against external factors.
4. Prolonged exposure to water can cause the stratum corneum to become saturated and swell.
5. As the stratum corneum absorbs water, it expands, which can lead to the appearance of wrinkled or shriveled skin.
6. Additionally, water exposure can wash away the natural oils that help keep the skin hydrated and supple.
7. Without these oils, the skin's natural moisture balance is disrupted, causing it to dry out and shrink.
8. Continuous wetting and drying cycles can further aggravate the skin's condition, leading to more pronounced shrinkage and roughness.
9. It's important to note that different individuals may experience varying degrees of skin shrinkage depending on their skin type, overall skin health, and environmental factors.
In summary, the prolonged exposure to water during clothes washing disrupts the skin's moisture balance, leading to the shrinkage and wrinkling of your mother's fingers.
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-Dr. Walter Snelling discovered in 1911
-it is a gas becomes a liquid under moderate pressure or when cold
-it is a portable energy source used in Barbecue grills in hot air balloons
what is it?
The gas that Dr. Walter Snelling discovered in 1911 that becomes a liquid under moderate pressure and acts as an energy source is propane.
Properties of PropanePropane is a gas at room temperature and it was isolated by Dr. Walter Snelling around 1911 in the process of trying to stabilize gasoline.
At cold temperatures or moderate pressure, propane becomes a liquid.
Propane has been and is still being used as an energy source in cooking, powering vehicles, and cutting metals in industrial welding.
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Individual organisms evolve over time.
true
or
falce
Answer:
False
Explanation:
Individual organisms don't evolve over time. This is because evolution is passed down to offspring over time.
The process where amino acids are delivered to the mRNA at the ribosome
to form proteins is called?
Answer:
Translation I believe
Explanation:
Why is it difficult to make accurate predictions about changes in communities of organism
Answer:
It is difficult because there are too many factors that have to be considered, such as temperature, the amount of food in an area, and competition.
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during which stage do chromosomes line up in single file on the equatorial plane?
Chromosomes line up in single file on the equatorial plane during the metaphase stage of mitosis or meiosis.
In both mitosis and meiosis, metaphase is a crucial stage where the replicated chromosomes, consisting of two sister chromatids held together by a centromere, align themselves along the equatorial plane of the cell. This alignment is facilitated by the spindle fibers, which attach to the centromeres of the chromosomes. The positioning of chromosomes in a single line on the equatorial plane during metaphase ensures that each daughter cell receives an equal and complete set of chromosomes during subsequent stages of cell division. Once the chromosomes have lined up in metaphase, they are then separated and pulled to opposite poles of the cell during anaphase, leading to the formation of two daughter cells with the correct chromosome complement.
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What is the Scientific Method and what are the steps?
Answer:
The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis.
Explanation:
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Answer:
The basic steps of the scientific method are:
1) make an observation that describes a problem,
2) create a hypothesis,
3) test the hypothesis, and
4) draw conclusions and refine the hypothesis.
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Nuclear power plants produce large amounts of _______. A. Air pollution b. Noise pollution c. Light pollution d. None of the above.
Answer:
none of the above
Explanation:
Nuclear power plant does not provide air pollution, noise pollution or either light pollution.Nuclear power plant is the heat source of the nuclear sector that can provide electricity to certain areas.
Help I need help with alleles
Where the conditions related to Sickle-cell disease (SCD) is given, 2% of the population are carriers of the sickle cell allele (heterozygous individuals).
What is the explanation for the above response?The frequency of the dominant allele (S) is p, and the frequency of the recessive allele (s) is q. Since there are only two possible alleles in this case, p + q = 1.
Let's assume that the percentage of individuals who exhibit signs and symptoms of sickle-cell anemia (ss) is q^2 = 0.09. This means that q = √(0.09) = 0.3.
The frequency of the dominant allele (S) can be calculated as p = 1 - q = 1 - 0.3 = 0.7.
To calculate the percentage of carriers (heterozygous individuals), we need to use the Hardy-Weinberg equation:
2pq = 2 × 0.7 × 0.3 = 0.42
So, 42% of the population are carriers of the sickle cell allele (heterozygous individuals).
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How are biomes interdependent on the smaller levels of organization?
The biomes are interdependent on the smaller levels of organizations as the organisms, populations, community, and ecosystem together form the biomes.
Without the smaller levels of organizations, the larger biomes cannot exist. In Ecology, the organizational levels refer to the following: Biosphere - This is the home of all life on earth. Biome - A large assemblage of plants and animals inhabiting a major habitat. Ecosystem – A biological community of living organisms and their environment.
From the largest to the smallest: biospheres, biomes, ecosystems, communities, populations, and organisms. The cell is the smallest unit of organization.
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Two populations of genetically distinct flowers begin to exchange migrants between the populations. if this process continues for a long time, what is the expected outcome?
In the long term, the two populations may eventually become one population with a higher level of genetic diversity.
Over time, the two populations of flowers are expected to become more genetically similar as a result of gene flow (migration) between the populations. This process is known as gene flow, and it can lead to a reduction in genetic variation within each population, as well as an increase in genetic similarity between the populations.
In the long term, the two populations may eventually become one population with a higher level of genetic diversity. However, depending on the specific ecological conditions, selective pressures, and the rate of gene flow, it may take a very long time for this process to occur.
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Which type of individuals within a species is most likely to survive and reproduce.
A. The most intelligent.
B. The best camouflaged against predators.
C. The strongest.
D. The best adapted to their environment.
Which action is most difficult to classify as classical or operant conditioning?a. pressing a lever to get foodb. pressing a lever to escape shockc. salivating after a sound previously paired with foodd. song learning by male birds
The action most difficult to classify as classical or operant conditioning from the given options would be: d. song learning by male birds.
Classical conditioning and operant conditioning are two different forms of associative learning.
Classical conditioning involves learning associations between stimuli, where a neutral stimulus becomes associated with a meaningful stimulus and elicits a response.
Operant conditioning, on the other hand, involves learning associations between behaviors and their consequences, where behaviors are strengthened or weakened based on their consequences.
Among the options provided, pressing a lever to get food (a) and pressing a lever to escape shock (b) can be classified as operant conditioning because they involve behaviors (lever pressing) that are strengthened or weakened based on their consequences (obtaining food or escaping shock).
Salivating after a sound previously paired with food (c) can be classified as classical conditioning because it involves the association between a neutral stimulus (sound) and a meaningful stimulus (food) resulting in a response (salivation).
However, song learning by male birds (d) is a complex behavior that involves a combination of innate predispositions and social learning.
It is not easily classified as either classical or operant conditioning because it goes beyond simple associations between stimuli or behaviors and their consequences.
Song learning in birds often involves a combination of genetic predispositions, imitation of adult birds, and social interactions, making it more challenging to fit into the classical or operant conditioning framework.
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True/ False: Most cells within one organism have the same genome (same genes with the same alleles).
Most cells within one organism have the same genome (same genes with the same alleles) is true statement.
Almost all of a person's body's cells have the same DNA and genes. Different genes are expressed during cell division and growth, resulting in various cell types. The majority of our chemistry is produced by a range of proteins that are produced by those cells and are unique to the cells they form. All cell-based life on earth generally shares the same characteristics.
The genome is made up of all the DNA instructions that are present in a cell. One small chromosome that is found in the mitochondria and 23 pairs of chromosomes that are present in the cell's nucleus make up the human genome. The genome of an individual contains all the information needed for growth and maintenance.
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True statement: Most cells in a single organism share the same genome (same genes with the same alleles).
The total collection of DNA instructions present in a cell makes up the genome. The human genome is made up of 23 pairs of chromosomes that are found in the cell's nucleus and one tiny chromosome that is found in the mitochondria. Everything a person needs to grow and operate is encoded in their genome. One organism's cells largely share the same genome (same genes with the same alleles). Because cell differentiation often only involves epigenetic changes, the aforementioned statement is true for the majority of cells, but not all.
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how is weather useful to our body?
Answer:
It enables proper functioning of organs in the body.
Explanation:
HELP ASAP PLEASE PLEASE PLEASE. How much time is spent in each phase of the cell cycle? You will have slides of onion root tips where cells are undergoing mitosis. The slides are prepared by "fixing the cells and staining them. They are no longer dividing, but trapped in time. To determine the amount of time the cell spends in each phase, you will count the number of cells that are in observed in each phase. The total time for the cell cycle in an onion cell is 720 minutes (12 hours). To calculate the amount, this formula can be used: Number of cells in a specific phase Total number of cells counted X 720 minutes = time for specific phase.
Answer:
The process of growth and division in a typical eukaryotic cell is called the cell cycle and is composed of two phases interphase and the mitotic phase. Each cell cycle begins with the formation of a new cell and continues until that cell divides into two offspring cells. Each offspring cell then begins the cycle again
Explanation:
explain how sexual reproduction increases genetic diversion in many species of plants and animal, making sure to include the importance and function of gamites
Answer:
Sexual reproduction increases genetic diversion because there are two parents, unlike in asexual reproduction where there is only one.
Explanation:
During sexual reproduction, gamites come from both parents and mix together to create genes and traits for the offspring. Gamites are formed through meiosis (reduction division), in which a germ cell undergoes two fissions, resulting in the production of four gametes.
Which options identify functions that cells carry out to support life?
(Select all that apply.)
remove waste materials
fight foreign cells or harmful molecules
avoid burning food molecules to save energy
Oburn food molecules to produce energy
What do cells take in and give out?
Image result for cells carry out to support life? (Select all that apply.) remove waste materials fight foreign cells or harmful molecules avoid burning food molecules to save energy Burn food molecules to produce energy
During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP