Question
Examine the image below, and pay special attention to the phase circled and indicated by the black arrow. In 2-3 sentences, identify the circled phase and explain why this phase is necessary for the remainder of the cycle to occur correctly.
Grading Considerations:
Your answer must include:
2-3 complete sentences
The correct name of the phase indicated by the arrow
An explanation of why this phase is necessary
DNA duplication (approx. 8 hours)
CELL CYCLE
S
G2
G2 Checkpoint
Cell growth
(approx.4 hours)
M (approx.1-2 hours)
PROPHASE
METAPHASE
ANAPHASE
TELOPHASE
heckpoint
G1
Cell growth
(approx. 10 hours)
G1+S+G2= INTERPHASE
M= Mitosis
CYTOKINESIS
Go
Grading Considerations:
Your answer must include:
2-3 complete sentences
The correct name of the phase indicated by the arrow
An explanation of why this phase is necessary
DNA duplication (approx. 8 hours)
CELL CYCLE
S
G2
G2 Checkpoint
Cell growth
(approx.4 hours)
M (approx.1-2 hours)
PROPHASE
METAPHASE
ANAPHASE
TELOPHASE
heckpoint
G1
Cell growth
(approx. 10 hours)
G1+S+G2= INTERPHASE
M= Mitosis
CYTOKINESIS
Go
Answers
GPT-4o mini
The circled phase indicated by the black arrow is the G2 checkpoint. This phase is necessary because it ensures that all DNA has been correctly replicated and that the cell is ready to enter mitosis; without this checkpoint, errors in DNA replication could lead to mutations or incomplete cell division, compromising the integrity of the daughter cells.