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Dmitry [639]
4 years ago
8

There are three main checkpoints in the cell cycle. Each checkpoint serves a different purpose and have their certain cyclins pr

esent. At the G1 checkpoint, a cell undergoes certain conditions to see if it is prepared for cell division. If a cell receives restrictions from the G1 checkpoint and can not continue into the next phase, what could the cell do next?
A) All cells pass the G1 checkpoint and enter into the next phase.
B) The cell can enter the G0 (resting stage) until conditions can improve.
C) The cell will always go directly into the G2 checkpoint to continue the cell cycle.
D) The cell will directly enter the M phase and all of the errors will be fixed during this phase.
Biology
2 answers:
zavuch27 [327]4 years ago
6 0

Answer:

B

Explanation:

it will go into G0 until conditions improve. If they dont it will go through apoptosis

Margaret [11]4 years ago
3 0
Not 100% sure but i’m like 99.9% sure it’s B
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Explanation:

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3 years ago
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Why does dna replication occur before mitosis
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5 0
3 years ago
The initiating event in the development of nephrotic syndrome is a derangement in the glomerular membrane that causes increased
makkiz [27]

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5 0
2 years ago
In certain mice, long tails (T) are dominant over short tails (t). If 2 hybrid mice mate, what will the outcome be?
yuradex [85]

Answer:

3 long tails : 1 short tail

Explanation:

This question involves a single gene coding for tail length in mice. The allele for long tail (T) is dominant over the allele for short tail (t). This means that an heterozygous mice will possess the long tail length.

According to this question, in a cross between two hybrid or heterozygote mice i.e. Tt × Tt, the following gametes will be produced by each parent:

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Using these gametes in a punnet square (see attached image), the following will be produced: TT, Tt, Tt and tt.

Offsprings with genotype TT, Tt and Tt will have a LONG TAIL while genotype  tt will have a SHORT TAIL. Hence, the phenotypic ratio will be 3 long tails : 1 short tail.

7 0
3 years ago
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