객관식
What is the primary purpose of spindle fibers during cell division?
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3. Energy & Cell Processes
Introduction to Cell Division
객관식
In which phase of the cell cycle does the cell prepare for mitosis by replicating its DNA?
A
M phase
B
S phase
C
G1 phase
D
G2 phase
검증된 단계별 안내1
Understand the cell cycle: The cell cycle consists of several phases that a cell goes through to divide and replicate. These phases include G1, S, G2, and M.
Identify the purpose of each phase: The G1 phase is where the cell grows and performs its normal functions. The S phase is where DNA replication occurs. The G2 phase is where the cell prepares for mitosis, and the M phase is where mitosis and cytokinesis occur.
Focus on DNA replication: DNA replication is a crucial step that must occur before a cell can divide. This ensures that each daughter cell receives an identical set of chromosomes.
Determine the phase for DNA replication: The S phase is specifically dedicated to the replication of DNA. During this phase, the cell synthesizes a complete copy of its DNA.
Conclude the preparation for mitosis: After DNA replication in the S phase, the cell enters the G2 phase, where it continues to grow and prepares for the actual process of mitosis in the M phase.
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