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Which of the following is a protein synthesized at specific times during the cell cycle that associates with a kinase to form a catalytically active complex?
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
The drug cytochalasin B blocks the function of actin. Which of the following aspects of the cell cycle would be most disrupted by cytochalasin B?
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
A particular cell has half as much DNA as some other cells in a mitotically active tissue. The cell in question is most likely in
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
A mutation results in a cell that no longer produces a normal protein kinase for the M phase checkpoint. Which of the following would likely be the immediate result of this mutation?
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
Which of the following is a function of those spindle microtubules that do not attach to kinetochores?
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
Movement of the chromosomes during anaphase would be most affected by a drug that
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
Which of the following is true concerning cancer cells?
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
Which of the following is released by platelets in the vicinity of an injury?
cleavage furrow formation
prevents shortening of microtubules
G1
protein kinase
The cell would prematurely enter anaphase.
They do not exhibit density-dependent inhibition when growing in culture.
maintaining the region of overlap of fibers in the cell's center
PDGF
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