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Measurements of amount of DNA per nucleus were taken from a large no. of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picogram per nucleus. In which state of the cell cycle did the nucleus contain 6 picogram of DNA, firstly observed.
- a)G0 phase
- b)G1 phase
- c)S phase
- d)G2 phase
Correct answer is option 'C'. Can you explain this answer?
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Measurements of amount of DNA per nucleus were taken from a large no. ...
In the S-phase of the cell cycle, the amount of DNA doubles but the number of chromosomes remain same. So, DNA level here ranges from 3 picogram to 6 picogram, so amount is doubling.
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Measurements of amount of DNA per nucleus were taken from a large no. ...
Explanation:
During the cell cycle, DNA replication occurs in the S phase, resulting in the doubling of DNA content in the nucleus. Therefore, the amount of DNA per nucleus increases from G1 to G2 phase.
In this scenario, the measured DNA levels ranged from 3 to 6 picogram per nucleus. The highest amount of DNA (6 picogram) was observed in the nucleus, which indicates that the cell is in the G2 phase of the cell cycle. This is because DNA replication has already occurred in the S phase, resulting in the doubling of DNA content.
Therefore, the correct answer is option C, S phase.
During the cell cycle, DNA replication occurs in the S phase, resulting in the doubling of DNA content in the nucleus. Therefore, the amount of DNA per nucleus increases from G1 to G2 phase.
In this scenario, the measured DNA levels ranged from 3 to 6 picogram per nucleus. The highest amount of DNA (6 picogram) was observed in the nucleus, which indicates that the cell is in the G2 phase of the cell cycle. This is because DNA replication has already occurred in the S phase, resulting in the doubling of DNA content.
Therefore, the correct answer is option C, S phase.
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Measurements of amount of DNA per nucleus were taken from a large no. of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picogram per nucleus. In which state of the cell cycle did the nucleus contain 6 picogram of DNA, firstly observed.a)G0phaseb)G1phasec)S phased)G2phaseCorrect answer is option 'C'. Can you explain this answer?
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