Multiple Choice
Which of the following processes takes place within the nucleus?
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3. Energy & Cell Processes
Introduction to the Cell Cycle
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How many femtograms of DNA are present in a human cell during the G2 phase of the cell cycle?
A
1.65 femtograms
B
6.6 femtograms
C
3.3 femtograms
D
13.2 femtograms
Verified step by step guidance1
Understand that the G2 phase of the cell cycle occurs after DNA replication, meaning the DNA content in the cell has doubled compared to the G1 phase.
Recognize that a typical human cell in the G1 phase contains 3.3 femtograms of DNA.
Since the DNA content doubles during the S phase (synthesis phase), calculate the DNA content in the G2 phase by multiplying the G1 phase DNA content by 2.
Use the formula: DNA content in G2 phase = DNA content in G1 phase × 2.
Substitute the known value: DNA content in G2 phase = 3.3 femtograms × 2, and calculate the result.
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