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Multiple Choice
Which of the following phases is not part of interphase?
A
G1 phase
B
G2 phase
C
S phase
D
M phase
Verified step by step guidance
1
Understand the cell cycle: The cell cycle consists of interphase and the mitotic phase (M phase). Interphase is the period of growth and DNA replication, while the M phase is where cell division occurs.
Identify the components of interphase: Interphase is divided into three phases: G1 phase (cell growth), S phase (DNA synthesis), and G2 phase (preparation for mitosis).
Recognize the role of the M phase: The M phase, or mitotic phase, includes mitosis and cytokinesis, where the cell divides into two daughter cells. It is distinct from interphase.
Compare the phases: G1, S, and G2 are all part of interphase, focusing on growth and preparation for division. The M phase is separate and involves the actual division process.
Conclude which phase is not part of interphase: Since interphase includes G1, S, and G2 phases, the M phase is not part of interphase.