AP Biologymediummcq1 pt

Based on the data, which of the following best describes the relationship between cell growth and the G1 phase of the cell cycle?

A.D) Cell growth is dependent on the G2 phase

B.A) Cell growth increases exponentially during G1

C.B) Cell growth is tightly regulated during G1

D.C) Cell growth is minimal during G1

Explanation

Core Concept

During the G1 phase, cells undergo significant growth and prepare for DNA replication. This growth is tightly regulated, with various checkpoints ensuring that the cell is ready for DNA synthesis. Options A and C are incorrect because cell growth is not minimal or exponentially increasing during G1. Option D is incorrect because cell growth is not dependent on the G2 phase.

Correct Answer

B) Cell growth is tightly regulated during G1

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