Which of the following is NOT an accurate description of a checkpoint that controls the progression of the cell cycle?
A)During the G1 checkpoint,cyclin and cyclin-dependent kinases combine to form complexes that activate proteins involved in DNA replication.
B)The G2 checkpoint checks for DNA damage and determines if all of the DNA is replicated.
C)The metaphase checkpoint determines if all chromosomes are attached to the spindle apparatus.
D)Cytokinesis involves the formation of cleavage furrow to separate the cells.
E)The G1 checkpoint determines if conditions are favorable for cell division and if the DNA is undamaged.

Question

Quizplus · Accepted Answer

Choice A, B, C, and E accurately describe checkpoints in the cell cycle. However, choice D describes cytokinesis, which is the physical separation of the two daughter cells, rather than a checkpoint that controls the progression of the cell cycle.

Which of the Following Is NOT an Accurate Description of a Checkpoint