Textbook Question
Write a single sentence, using no more than 25 words, to summarize each of the following cellular processes:
Mitosis
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3. Energy & Cell Processes
Introduction to the Cell Cycle
Multiple Choice
Which of the following occurs during the G2 phase of interphase?
A
Chromosomes are aligned at the metaphase plate.
B
The cell grows and prepares for mitosis.
C
DNA replication is completed.
D
The nuclear envelope breaks down.
Verified step by step guidance1
Understand the cell cycle phases: The cell cycle consists of interphase (G1, S, G2 phases) and the mitotic phase (mitosis and cytokinesis).
Identify the G2 phase: The G2 phase is the final part of interphase, following the S phase where DNA replication occurs.
Recognize the activities in G2 phase: During the G2 phase, the cell continues to grow and produces proteins and organelles. It also checks for DNA damage and ensures all DNA is replicated correctly.
Differentiate from mitosis: The G2 phase is distinct from mitosis, where chromosomes align at the metaphase plate and the nuclear envelope breaks down.
Conclude the correct activity: The primary function of the G2 phase is cell growth and preparation for mitosis, ensuring the cell is ready to enter the mitotic phase.
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