객관식
During which phase of the cell cycle is DNA replicated, resulting in duplicated chromosomes (sister chromatids) prior to mitosis?
114
views
16. Cell Division
DNA Replication
객관식
During the eukaryotic cell cycle, in which phase is DNA replicated in preparation for cell division?
A
G phase (second gap) of interphase
B
M phase (mitosis/cytokinesis)
C
S phase (synthesis phase) of interphase
D
G phase (first gap) of interphase
검증된 단계별 안내1
Understand the phases of the eukaryotic cell cycle: G1 phase (first gap), S phase (synthesis), G2 phase (second gap), and M phase (mitosis/cytokinesis).
Recall that DNA replication is the process of copying the cell's DNA to ensure each daughter cell receives an identical set of chromosomes.
Identify that DNA replication occurs during the S phase (synthesis phase) of interphase, where the cell synthesizes a complete copy of its DNA.
Note that the G1 phase is primarily for cell growth and preparation for DNA synthesis, while the G2 phase involves preparation for mitosis, and the M phase is where cell division occurs.
Conclude that the correct phase for DNA replication is the S phase of interphase.
관련 영상
관련 실천
