Answer:
matrix of blood
Explanation:
Draw a model showing what would happen if poison blocked our cell ability to make tRNA
tRNA (transfer RNA) is a type of RNA molecule that plays a crucial role in protein synthesis. It carries amino acids to the ribosome, which is the site of protein synthesis, where the amino acids are joined together to form a protein chain.
If poison were to block our cell's ability to make tRNA, it would disrupt protein synthesis and affect the production of essential proteins in the body. This could lead to a range of symptoms, depending on the proteins that are affected.
For example, if the poison blocked the production of tRNA molecules that carry amino acids required for the formation of enzymes involved in digestion, it could lead to problems with digestion and absorption of nutrients. If the poison blocked the production of tRNA molecules that carry amino acids required for the formation of muscle proteins, it could lead to muscle weakness and atrophy.
In severe cases, such as if the poison blocked the production of tRNA molecules that carry amino acids required for the formation of essential proteins involved in the functioning of vital organs such as the heart or lungs, it could be fatal.
name the layers of the thin skin
Answer:
the answer is
Explanation:
stratum,basale,stratum spinosum,stratum granulosum,and stratum corneum
PLEASE HELP DESPERATE
Materials
"Ocean Currents" worksheet
paper and drawing materials or digital drawing program
Ocean Currents
An ocean current is a constant flow of water along a path in the ocean. If the current is close to the surface, it is called a surface current. Ocean currents can have a great effect on the planet, influencing weather patterns and affecting wildlife. Today, you are going to get the chance to map out these surface currents and analyze your results. Read all of the directions carefully before you begin.
Directions
Draw the ocean surface currents on this map using digital or physical drawing tools.
Locate the following on your worksheet.
Two major surface currents in the Atlantic Ocean (one in each hemisphere)
Two major surface currents in the Pacific Ocean (one in each hemisphere)
One major surface current in the Indian Ocean
Draw and label each of these major currents according to the following guidelines:
A directional arrow must show the direction of the flow of each current.
Label each current with the correct name.
Cold currents must be represented by blue arrows and blue-text labeling.
Warm currents must be represented by red arrows and red-text labeling.
Once you have diagrammed the surface currents, answer each of the conclusion questions.
(PLEASE ANSWER ALL QUESTIONS AND DRAW THE OCEAN SURFACE CURRENTS ON THE MAP)
Ocean currents are caused by a variety of factors, including wind, temperature, salinity, and the Earth's rotation. These factors affect the movement of water in the ocean, creating currents that flow in a particular direction.
How to explain the informationOcean currents are important because they help regulate the Earth's climate by distributing heat around the planet. They also affect weather patterns, nutrient distribution, and the migration patterns of marine life.
Ocean currents affect marine life by transporting nutrients and food sources to different areas of the ocean, which can impact the distribution and behavior of marine organisms. They also affect the migration patterns of marine animals, such as whales and sea turtles, as well as the dispersal of planktonic larvae.
Changes in ocean currents can have significant impacts on the planet, including altering weather patterns, sea levels, and the distribution of marine life.
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What happens when two separate structures are joined so that by tissue regeneration they form a union and grow as one plant?A) GraftingB) RootstockC) ScionD) Propagate
The correct answer is D) Propagate.
Taking two separate plant structures and joining them so they grow as one plant is called grafting. And this is a method of asexual plant propagation.
The scion is a stem or aboveground part od the plan
Why do oestrogen levels between 8and 22days remain low in the women who takes contraceptive pills
Contraceptive pills suppress ovulation and keep oestrogen levels low throughout the menstrual cycle, preventing pregnancy.
The contraceptive pill contains synthetic hormones that mimic the effects of oestrogen and progesterone in the body.
These hormones work to suppress the natural production of oestrogen by inhibiting the release of follicle-stimulating hormone (FSH) and luteinising hormone (LH) from the pituitary gland.
This prevents ovulation and therefore reduces the levels of oestrogen that are normally produced during the menstrual cycle.
The low levels of oestrogen between days 8 and 22 of the menstrual cycle in women taking contraceptive pills are due to the fact that this is the time when oestrogen levels would normally peak in a natural menstrual cycle.
However, as ovulation is suppressed by the pill, there is no need for the body to produce high levels of oestrogen to support the development of the ovarian follicle.
Instead, the pill maintains a consistent level of synthetic hormones throughout the cycle, which prevents the fluctuation of oestrogen levels that would occur naturally.
Therefore, women who take contraceptive pills typically have lower levels of oestrogen throughout their menstrual cycle.
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If a monohybrid cross is done with a homozygous dominant and a homozygous recessive, what will be the genotypes of the F1 and F2 generation?
Let's say trait for Tallness of Pea Plants and a cross between a homozygous dominant and a homozygous recessive.
What will be the genotypes of the F1 and F2 generation?If a monohybrid cross is done with a homozygous dominant and a homozygous recessive, than the genotypes of the F1 and F2 generation
PARENT (P)
GENOTYPES: PHENOTYPES:
Homozygous dominant: TT Tall
Homozygous recessive: tt Short
F1 GENERATION TT x tt
GENOTYPE: PHENOTYPE:
Heterozygous: Tt Tall
F2 GENERATION Tt x Tt
GENOTYPES: PHENOTYPES:
TT Tall
Tt Tall
tt Short
Therefore, Let's say trait for Tallness of Pea Plants and a cross between a homozygous dominant and a homozygous recessive.
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what is the complementary DNA strands and plz write it the same way as the image.
Answer:
AAT-TTG-CTC-GAC-GAT
Explanation:
The complimentary strand contains the bases that the parent original strand binds to.
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3. The scientific question was: Do migrant birds collide with windows more frequently than expected by their
population?
Migrant birds collide with windows more frequently than expected by their
population is True.
Who are Migrants?Migrants are organisms which move from one place to another in search
of greener pastures such as:
FoodShelterEmployment etc.Migrant birds move into areas in search of basic things such as food and
shelter and find it difficult identifying the window. This thereby leads to the
birds colliding frequently with the them.
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Briefly describe the 5 factors that influence recall.*
Answer:
1. Encoding: The way information is initially processed and stored in memory can affect recall. Information that is encoded deeply, such as through elaboration or association with existing knowledge, is more likely to be remembered than information that is encoded superficially.
2. Retrieval cues: The presence of cues or prompts that are associated with the information being recalled can facilitate retrieval. These cues may be external (such as environmental context) or internal (such as emotional state).
3. Interference: Other information that is similar to or competes with the target information can interfere with recall. This may occur due to proactive interference (when previously learned information interferes with new learning) or retroactive interference (when new learning interferes with previously learned information).
4. Time: The amount of time between encoding and retrieval can affect recall. Memory tends to decay over time, but this decay can be slowed by rehearsal or consolidation processes.
5. Individual differences: Factors such as age, intelligence, and personality can influence recall ability. For example, older adults may have more difficulty recalling specific details due to age-related changes in memory processes.
Which atom in the hydroxyl group has only one bond?
Please help!!!!!
Answer:it's hydrogen
Explanation:
Rachel Carson ushered in modern environmentalism with her book ______ _______ which discussed threats to human and other species form chemical pollution.
Rachel Carson's influential work, 'Silent Spring', ushered in modern environmentalism. It critiqued the chemical industry and led to significant changes in environmental laws.
Explanation:Rachel Carson ushered in modern environmentalism with her book 'Silent Spring', which discussed the threats to human and other species from chemical pollution. Rachel was a marine biologist and conservationist whose book brought environmental concerns to the attention of the American public by presenting a powerful critique of the chemical industry, particularly the use of pesticides. The impact of the book was significant and led to a nationwide ban on DDT and other pesticides. It also spurred changes in the laws regulating our air, land, and water. Carson's environmental advocacy and her book, 'Silent Spring', remain as influential today as they were in the 1960s.
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A family farmer is most likely to use which of the following processes to improve the genetics of his cattle herd?
cloning
genetic engineering
natural selection
artificial selection
A family farmer is most likely to use artificial selection to improve the genetics of his cattle herd.
why the family use artificial selectionArtificial selection is a process in which humans select and breed individuals with desirable traits, while excluding those with undesirable traits. This is different from natural selection, which occurs in nature without human intervention, and genetic engineering, which involves altering the genetic material of an organism using modern biotechnology.
In the case of a family farmer looking to improve the genetics of their cattle herd, they might choose to selectively breed the individuals with the best traits for their particular needs, such as high milk yield, disease resistance, or meat quality. Over time, this can lead to the development of a cattle herd with improved genetics and desirable characteristics.
Cloning and genetic engineering are much more complex and expensive processes that are not typically used by family farmers for improving their cattle herds. These methods are more commonly used in scientific research or in the production of certain high-value livestock products, such as genetically modified organisms for medical or industrial purposes.
A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?
Answer:
monera kingdom
Explanation:
Answer:
The kingdom is Monera Kingdom
Explanation:
explain the main cause of degradation of our languages in belize? it's science but I put biology
Language degradation is occurring because of the adoption of foreign languages.
How does this adoption take place?The constant presence of foreign media and the adoption of foreign language terms is the main way to adopt a new language.
This adoption allows the local population to start mixing the two languages.
Over time this process becomes more intense, causing the local language to be replaced by a foreign language over time.
Language degradation is a process that occurs in many regions, but maintaining these languages is very important.
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Which of the following is NOT a foodsource of parasitic nematodes?A. the moist tissues of plantsB. the roots of plantsC. the fluids of animalsD. the bacteria in the air
Many plant parasitic nematodes feed on moist tissues of plants, therefore A is incorrect.
Many parasitic nematodes also create wounds on the roots of plants while feeding, making them vulnerable for other parasits. Therefore, B is incorrect as well.
The parasitic nematodes are the ones that feed on animals and plants, because a parasitic relationship means that the nematode needs the animal/plant to survive and reproduce, and will cause harm to them as well. Therefore, C is incorrect too because when nematodes are parasites in animals they will feed from theirs fluids.
The nematodes that eat bacteria in the air are free-living nematodes, therefore the correct answer is D. the bacteria in the air
what is the main function of decomposers in a food web?
Two genes affect nest-building behavior in a rodent, but a dihybrid cross (SsBb x SsBb) produces only three phenotypes, nests built in trees, nests built on the ground, and nests built underground. Which of the following might explain this result? Choose all that apply. O duplicate dominant epistasis O dominant epistasis O recessive epistasis O duplicate recessive epistasis
In the question, three phenotypes describe the observation of dominant epistasis or recessive epistasis because all can create three phenotypes ( Dominant epistasis 12:3:1 and recessive epistasis 9:3:4 ), hence options B and C are correct.
What is epistasis?It is the kind of interaction in which the effect of the gene mutation depends on the mutation of another gene.
In normal crossing over in a dihybrid cross it represents the ratio of (SsBb x SsBb) makes four phenotypes (9:3:3:1), but here it produces nests built in trees, nests built on the ground, and nests built underground, which are three phenotypes shows epistasis.
Therefore, dominant epistasis and recessive epistasis is the correct observation.
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What is the probability of a blue eyed mother having a blue eyed daughter?
*
100% if the father is blue eyed
50% if the Father is Bb
0% if the father is BB
All of these are true
Answer:
i think is 99% of thw the child having a blue eye
The Field of Genetics Crossword puzzle.
need help with the anwers
The correct options for the crossword puzzle in genetics are:
Across:
4. dominanta blend or intermediate color (such as pink)incomplete dominancenucleuschromosomesrecessiveheterozygousDown:
codominancedihybridhomozygous recessivePunnettGregor MendelgenesheterozygousWhat is genetics?Genetics is the scientific study of genes, heredity, and genetic variation in living organisms. It involves the study of how traits are passed down from parents to offspring through the transmission of genes.
Genetics covers a wide range of topics, including the molecular structure and function of genes, the mechanisms of gene regulation and expression, genetic diseases and disorders, population genetics and evolution, and the genetic basis of complex traits such as behavior and intelligence.
The field of genetics is important in many areas of science, including medicine, agriculture, biotechnology, and forensics.
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Ossification means
A) Bone fracture
B
Bone displacement
C Bone deterioration
D) Bone growth
Answer:
:the natural process of bone formation.
Discuss why insecticide sprays are ineffective in the fight against Zika and why scientists are looking for alternatives.
Answer:
Some existing methods for controlling Zika-carrying mosquitoes are not effective and may even be counter-productive.
Explanation:
It was found that while biological interventions did appear to reduce numbers of disease-carrying insects more than chemical controls, the quality of the evidence was often poor.
I know the first part of the question but I don't know the second. I also know that the fibrocartilage is in the second stage but i have no idea what stage the producing new mineralized bone is
please explain the answer as simple as possible.
im marking brainiest to the best answer
Answer:
check the explanation
Explanation:
The four major stages of bone repair after a fracture are:
Hematoma formation: Immediately after a bone is fractured, the body forms a hematoma, which is a blood clot that stops the bleeding and creates a framework for the subsequent healing process.
Fibrocartilaginous callus formation: Within a few days of the fracture, new blood vessels and cells invade the hematoma, and fibroblasts start producing collagen fibers, forming a soft callus. As the fibroblasts differentiate into chondroblasts, the callus becomes more cartilaginous, creating a firmer structure. This process takes several weeks and is known as fibrocartilaginous callus formation.
Bony callus formation: Osteoblasts begin producing new bone tissue in the cartilaginous callus, transforming it into a bony callus. This process is called bony callus formation and can take several months. The bony callus gradually replaces the cartilaginous callus, resulting in a stronger and more rigid structure.
Remodeling: Over time, the newly formed bone undergoes a remodeling process where the excess bone is resorbed, and the bone is reshaped to resemble its original structure. This process can take up to several years.
It is beneficial to start the healing process with fibrocartilage rather than producing new mineralized bone immediately because the fibrocartilage provides a soft and flexible framework that helps stabilize the fracture site and allows for movement during the early stages of healing. The cartilage also provides a scaffold for the subsequent bone formation by osteoblasts. The gradual transformation of the cartilage into bone allows for a gradual increase in strength at the fracture site and reduces the risk of re-injury during the healing process. If mineralized bone were produced immediately, it would be too rigid and brittle, increasing the risk of further damage to the bone and surrounding tissue. Additionally, the production of new bone tissue requires a significant amount of energy, and starting with fibrocartilage helps conserve energy and optimize the healing process.
Do the patterns of interactions between organisms, such as competition and predation, change when they occur in different ecosystems
Yes, there is change when they occur in different ecosystems because each ecosystem contains a different set of abiotic and biotic features that interact with each other.
What is competition?Competition is defined as the struggle for survival that exists between two similar organisms in an ecosystem where one who gains survives and the one that loses dies.
Predation is defined as the feeding interaction that exist between organisms whereby the one organism, the predator, kills and eats another organism, its prey.
The patterns of interaction between organisms such as competition and predation would change because each ecosystem contains a different set of abiotic and biotic features that interact with each other.
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What are two ways the tragedy of the commons can be prevented? Explain.
Answer:
Garret Hardin, when he coined the phrase 'Tragedy of the Commons', proposed two ways to avoid the tragedy: (1) assign ownership of the resource system (e.g., aquifer) to the state (as state or government property); or (2) divide the resource system into parcels (e.g., as volumetric extraction entitlements) as assign
Explanation:
1.
behavior is inherited and
2. When a deer hears a sound in the forest, such a
then bolts through the bushes. This is an examp
3. Mating rituals or displays can be very complex
4. When animals fight and one wins and one subm
This means that one animal (the winn
behavior is used to intimidate other an
baring teeth or growling.
Answer:
Behavior is inherited in many animals which helps them to survive.
Explanation:
When animals fight with one another and one wins. This means that one animal (the winner) behavior is used to intimidate other. Two deer fight each other in order to show dominance over each other and to impress the female deer. The winner deer will be the leader and also mate with the females of the group. This is a type of behavior which is inherited in animals through genetics is called instincts.
help me 100 points i am not liying
1. Conditions happen to be really good this year for breeding and next year there are 1,245 young
"potential" Biology instructors. Assuming that all of the Hardy-Weinberg conditions are met, how many of
these would you expect to have poor vision and how many with good vision?
2.A very large population of randomly-mating laboratory mice contains 35% white mice. White coloring is
caused by the recessive genotype, "aa". Calculate allelic and genotypic frequencies for this population.
3. The ability to taste PTC is due to a single dominate allele "T". You sampled 215 individuals in biology, and
determined that 150 could detect the bitter taste of PTC and 65 could not. Calculate allelic and genotypic
frequencies for this population..
On the conditions being really good this year for breeding:
153 young "potential" Biology instructors to have poor vision and 525 to have good vision. 15% of the mice will be homozygous dominant (AA), 47% will be heterozygous (Aa), and 38% will be homozygous recessive (aa).49% of the individuals will be homozygous dominant (TT), 39% will be heterozygous (Tt), and 12% will be homozygous recessive (tt).How to calculate frequencies?1. The Hardy-Weinberg principle states that in a population in which mating is random, the frequency of alleles will remain constant from generation to generation. This means that if the frequency of the allele for poor vision is p and the frequency of the allele for good vision is q, then the frequency of each genotype will be:
AA = p²
Aa = 2pq
aa = q²
In this case, the frequency of poor vision is 0.35, so p = 0.35 and q = 0.65. This means that the frequency of each genotype will be:
AA = (0.35)² = 0.1225
Aa = 2(0.35)(0.65) = 0.4225
aa = (0.65)² = 0.4225
Therefore, we would expect 1,245 × 0.1225 = 153 young "potential" Biology instructors to have poor vision and 1,245 × 0.4225 = 525 to have good vision.
2. The allele for white coloring is recessive, so the only way for a mouse to be white is if it inherits two copies of the recessive allele. If the frequency of the white allele is q, then the frequency of white mice will be q². In this case, 35% of the mice are white, so q = 0.588. This means that the frequency of the white allele is 0.588 and the frequency of the non-white allele is 0.412.
The genotypic frequencies can be calculated using the Hardy-Weinberg principle:
AA = p² = (0.412)² = 0.169
Aa = 2pq = 2(0.412)(0.588) = 0.472
aa = q² = (0.588)² = 0.338
Therefore, 15% of the mice will be homozygous dominant (AA), 47% will be heterozygous (Aa), and 38% will be homozygous recessive (aa).
3. The ability to taste PTC is due to a single dominant allele "T". If the frequency of the T allele is p, then the frequency of the t allele is q = 1 - p. In this case, 150 of the 215 individuals could detect the bitter taste of PTC, which means that p = 0.702. This means that the frequency of the T allele is 0.702 and the frequency of the t allele is 0.298.
The genotypic frequencies can be calculated using the Hardy-Weinberg principle:
TT = p² = (0.702)² = 0.492
Tt = 2pq = 2(0.702)(0.298) = 0.392
tt = q² = (0.298)² = 0.088
Therefore, 49% of the individuals will be homozygous dominant (TT), 39% will be heterozygous (Tt), and 12% will be homozygous recessive (tt).
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The first stage in designing your presentation is to make a list of questions that will enable you to research the topic. Your presentation should answer these questions
Two additional questions about Earth’s magnetic field that will make your presentation more informative are:
How has Earth’s magnetic field changed over time?What are the potential effects of a weakening or reversal of Earth’s magnetic field?How does the Earth’s magnetic field protect the planet?The Earth's magnetic field plays an important role in protecting the planet from harmful solar radiation and charged particles from the solar wind. The magnetic field deflects most of the charged particles, also called solar wind, which could otherwise strip away the planet's atmosphere over time.
Additionally, the magnetic field acts as a shield, protecting us from the harmful effects of solar storms, which can cause damage to our power grids, satellites, and other electronic devices.
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Complete question:
The first stage in designing your presentation is to make a list of questions that will enable you to research the topic.
Your presentation should answer these questions: Where is the magnet that causes Earth’s magnetic field? What is this magnet made of?
What is the solar wind? What happens when Earth’s magnetic field interacts with the solar wind?
Does Earth’s magnetic field protect the planet?
What are the Van Allen belts, and how are they related to Earth’s magnetic field?
What are auroras, and how are they related to Earth’s magnetic field?
How does the principle of electromagnetism explain the interaction between Earth’s magnetic field and the solar wind? Write down two additional questions about Earth’s magnetic field that will make your presentation more informative.
Which two factors have the greatest influence on creating increased genetic variation within a species?
A)Crossing-over, which takes place during prophase 1 of meiosis 1.
b)When the chromatids separate in metaphase 2 in meiosis 2.
c)Independent assortment of chromosomes that occurs during anaphase 2 of meiosis 2.
d)When the chromosomes separate in metaphase 1 of meiosis 1.
Answer:
A and C.
The two factors that have the greatest influence on creating increased genetic variation within a species are:
A) Crossing-over, which takes place during prophase 1 of meiosis 1. This is the process by which homologous chromosomes exchange genetic material, resulting in new combinations of alleles on the chromosomes.
C) Independent assortment of chromosomes that occurs during anaphase 1 of meiosis 1. This is the process by which homologous chromosomes randomly line up and separate from each other, resulting in different combinations of maternal and paternal chromosomes in the resulting haploid cells.
Therefore, options A and C are the correct answers. Option B refers to the separation of sister chromatids during meiosis 2, which does not create new combinations of alleles. Option D refers to the separation of homologous chromosomes during meiosis 1, which does contribute to genetic variation but not to the same extent as crossing-over and independent assortment.
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Which would happen if more forests were cut down? A. The amount of CO2 in the atmosphere would in Ос B. Fossil fuels would build up in the soil. C. The nitrogen cycle would be stopped. O D. Nitrogen would be fixed by bacteria more quick
Answer:
A
Explanation: