Which biological process has genetic variation as a natural advantage?
budding
as_xual reproduction
s_xual reproduction
binary fission
Answer:
S**ual reproduction
Explanation:
mixing of DNA from two different germ cells
During which phase of meiosis do the sister chromatids line up across from each other in the center of the cell?.
Sister chromatids line up across from each other in the center of the cell in the metaphase II stage of meiosis.
What is meiosis?Meiosis is the type of cell division that involves the formation of four daughter cells that are genetically different from one another.
The stages involved in meiosis are as follows:
Prophase I and IIMetaphase I and IIAnaphase I and IITelophase I and IIChromosomes align at the equator of the cell at the metaphase stage. However, sister chromatids specifically line up at the cell equator at metaphase II of meiosis.
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The type of speciation that results in the formation of separate species as a result of geographic isolation is called ____________ speciation.
Answer:
allopatric speciation.
4. Changing the temperature affects the shape of an enzyme How might an incred
temperature affect the enzyme's function in the cell?
Answer:
Higher temperatures disrupt the shape of the active site, which will reduce its activity, or prevent it from working. The enzyme will have been denatured . Enzymes therefore work best at a particular temperature. Proteins are chains of amino acids joined end to end.
Explanation:
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is a fuel your body uses for energy.
Protein
cellulose
Glucose
Glucose is a fuel your body uses for energy.
Hope that helps!
describe one financial challenge that young entrepreneurs may initially encounter that indicate how they could deal with this challenge
Primary ossification centers develop in long bones in the:.
Answer:
diaphysis/shaft
Explanation:
In long bones the primary centers occur in the diaphysis/shaft and in irregular bones the primary centers occur usually in the body of the bone.
State two characteristics of uric acid which make it a suitable form to excrete nitrogenous wastes by animals living in dry area. H... ... concentrated 2mks
Explanation:
hello
ammonia is a toxic chemical(NH3) that is so dangerous for body
livers change ammonia to urea by CO2 to make it less toxical
and after that kidneys excret urea I the form of uric acid.
What are the roles of at least 3 minerals in the soil which is essential for the process of photosynthesis
probably water, carbon dioxide because they are important inorder to begin the process of photosynthesei
The number of primary bronchi match the number of ________ that we have.
what would happen to the sea star or the seaweed if the algae were not present
Answer:
Star fish (sea stars) prey on mussels and if the sea stars are removed from the environment, the mussel population will greatly increase and other organisms may have difficulty living in that environment.
Starfish are known as keystone predators. They prey upon species like urchins or mussels that can have a negative impact on the ecosystem if their populations grow too much. However, if the Starfish don't prey upon urchins and mussels those population could grow and take over the ecosystem and create many problems for other species.
Explanation:
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If the strand of DNA with the sequence TTA mutated to TTG, would this be a silent or missense mutation? Hint: Find the RNA for both sequences and check to see that they code for different amino acids. (1 point)
it would be Missense mutation
the reason why is missense mutation is because the amino acids changed
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Answer:
Missense mutationmutation
Explanation:
Mendel conducted his most memorable experiments on:.
Answer:
Peas
Explanation:
Mendel developed three principles of inheritance that described the transmission of genetic traits, before anyone knew genes existed.
Which cellular function of carbohydrates and lipids should be placed in the shared section of the Venn diagram?
The cellular function of carbohydrates and lipids which should be placed in the shared section of the Venn diagram is that they store energy.
What is Energy?This is defined as the ability to do work and the major biomolecules which store energy are carbohydrates and lipids.
This shared property between the two molecules is why it should be placed in the shared section of the Venn diagram.
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How do food chains influence our lives?
Answer:
Food chains influeice our lives by avalibility.
Explanation:
Food chains means there are consumers and producers. There are top and bottom of food chains along with inbetween. The lower on the food chain effects the food avalibility because there will be less animals or plants that were consumed by top level on the food chain.
Why does subduction occur at oceanic and continental plate boundaries?
Answer:
Due to the high density of the oceanic plate.
Explanation:
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Mendelian Genetics - Punnett Square
In humans, curly hair is dominant over straight hair. A woman heterozygous for
hair curl marries a man with straight hair and they have four children. Predict
their childrens" genotype and phenotype.
Answer: Look at the image bellow because I couldn't add an answer due to a glitch. Hope this helps!
7. This pedigree is tracking dimples which are autosomal dominant. If this infomation was not given how could you deduce that this was in fact an autosomal trat, and not an X- linked trait? Provide a specific example from the ped gree:
The pedigree is not found here, but it is possible to track the inheritance of an autosomal/X linked trait by observing its presence in the family tree.
What is a pedigree?A pedigree is a genealogical tree used to track the inheritance pattern of a given trait in a family tree, which can be dominant or recessive.
An autosomal dominant trait is inherited in a dominant fashion and it is located on a pair of homo-logous autosomal chromosomes.
An X-linked trait is inherited on chromosome X and these traits show differential inheritance because males inherit only one X chromosome.
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The cell membrane regulates the movement of molecules in and out of the cell.What other functions does the cell membrane perform?
Narration. The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a better environment inside the cell, and causes the membrane to have several different functions.
1. Is to transport nutrients into the cell
2. Is to transport toxic substances out of the cell.
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Explain the main differences and similarities between somatoform and conversion disorders.
The main difference between somatoform and conversion disorders is that somatoform is conveyed by physical symptoms while conversion disorder is expressed by mental condition.
What do you mean by Conversion disorder?Conversion disorder may be defined as a condition of mental illness where an individual is affected by blindness, paralysis, or other nervous system symptoms that cannot be explained by medical evaluation.
Somatoform affected the psychology of the affected individuals causing physical symptoms. It is also associated with mental illness. It is the similarity between both disorders.
Therefore, the main difference between somatoform and conversion disorders is that somatoform is conveyed by physical symptoms while conversion disorder is expressed by mental condition.
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How far can air pollution travel from its source?
O 1 block
O 1 mile
O to the next state or major region
around the world
I NEED THIS DONE!!! 50 POINTS!!! PLEASE HELP
Balanced
Explanation:
because if 14 divided by 2 is 7 and 2 stays the same
based on data from 2013 the majority of landfill waste cones from
MSW continues to be dominated by organic materials such as paper and paperboard, yard wastes, and food. Paper and paperboard make up 27%, while yard trimmings and food make up another 28.1 percent.
Can you please help me thanks
Answer:
i know 4 is c) some offspring
Explanation:
Dna studies indicate that native americans diverged from their asian ancestors between __________ years ago.
Explanation:
Between 15,000 and 25,000 years ago.
Rabbits can exhibit a number of colors in their coats: black, white, tan, brown, red, and grey. A disease randomly kills off most of the population and leaves only black and grey rabbits. Future generations are only black or grey. What is the term used to describe this
phenomenon? (1 point)
1. artificial selection
2. genetic drift
3. natural selection
4. genetic modification
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Answer:
2. Genetic Drift
Explanation:
Because it's simply by chance not on purpose or because their stronger.
Term used to describe the phenomenone where only black and grey rabbits survive and rest are killed randoml is called Genetic Drift..
What is genetic drift?As a result of a chance or random event, the frequency of an allele in a population drifts over time compared to the frequency of the other alleles. this is termed as genetic drift. Here, the rabbits with other coat colors were randomly killed off due to the disease which increased the frequency of the black and grey coat allele and hence the population drifts from multicolored coats to only black and grey colored rabbit coats.Hence the correct option here will be 2. Genetic Drift
other options are incorrect because:
Artificial selection is inducing the desired traits artifically which is not possible because the disease was a random event and not induced by humans.Natural selection is the survival of the fittest of the alleles and elimination of less fitter alleles. here it is not mentioned whether Black and grey coats were more fitter to survive than other coatsGenetic modification is a human made procedure and did not occur here.learn more about Genetic Drift here:
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What causes lactic acid fermentation?
A. too much ATP
B. an upset stomach
C. insufficient oxygen
D. too many mitochondria
C
Explanation:
Lactic fermentation can be caused by lack of oxygen inside of the muscle cells.
l The movement of land masses during the history of the Earth.
Answer:
The movement of the plates sometimes leads to earthquakes and tsunamis.
what features do paramecia and salamanders share?
Answer: Earthworms and gorillas.
Explanation:
Paramecia and salamanders. Ask the students to list as many features as they can think of that their two organisms have in common.
8. What are some of the surface features on Venus that are similar to the Earth?
Answer:
About the same size, they weigh about the same, and are made up of very similar materials, plus there beside each other/ neighboring planets.
Explanation: