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m_a_m_a [10]
3 years ago
15

What is the role of cyclin and CDK in the cell cycle? *

Biology
1 answer:
inessss [21]3 years ago
5 0

Answer:

They perform checkpoints and regulate/control the cell cycle.

Explanation:

Cyclin/CDK complexes are known to regulate both mitotic and meiotic cell cycles. Some processes are shared by both forms of cell division, however the process known as meiosis differs in terms of its features and needs. Following two rounds of cell division in succession, meiosis is characterized by the replication of DNA.

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Suppose the fictional condition lycanthropy is an autosomal dominant disorder that causes an affected person to have a strong ph
hodyreva [135]

Answer:

Sperm undergo more mitotic cellular divisions than egg and therefore have a higher risk of developing a spontaneous mutation.  

Explanation:

As you have seen in the question above, lycanthropy is a mutation that is more likely to be established as the supply of male gametes comes from older men. This is because sperm undergo more mitotic cell divisions than eggs, and therefore are at greater risk of developing a spontaneous mutation.

In order for you to understand this, you need to know that eggs (which are female gametes) are produced at once in a woman's body. Thus, cell division is limited and therefore the opportunity for spontaneous mutations to occur is also limited. However, men produce sperm from adolescence to death, creating the need for countless cell divisions, which can develop genetic errors that create spontaneous mutations in gametes.

3 0
3 years ago
The figure below shows a food chain that might exist in a meadow.
irinina [24]
B. Toad i believe that’s the answer not sure
7 0
3 years ago
Mendel observed that some genetic traits seemed to mask others in the pea plants, and used the term ___ to describe these traits
Free_Kalibri [48]
Mendel called these traits that masked others "dominant".
3 0
4 years ago
What is the definition of "nutrients"?
DedPeter [7]
The correct answer would be B.(2nd one)

There are seven major classes of nutrients:

carbohydrates, fats, fiber, minerals, protein, vitamins, and water.
7 0
3 years ago
Which three steps describe how an animal obtains and uses energy for growth?
harina [27]

Answer:

Option C. First, an animal eats another organism. Then, food is broken down into smaller molecules. Next, the animal's cells use molecules to make new cells.

Explanation:

When one animal eats another animal, the body of organisms is made of higher molecules such as carbohydrate, protein and lipids. These large molecules are broken down into simpler substances in the stomach such as glucose, amino acid and faty acid. These substances are absorbed by the body and release energy from them.

7 0
4 years ago
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