Which of the following statements describes the primary function of the unreplicated-DNA checkpoint ? ()
A. It checks whether the mitotic spindle has formed.
B. It determines if the mitotic spindle has broken down.
C. It ensures that chromosomes are aligned at the metaphase plate and and captured by microtubules from opposing spindle poles.
D. It verifies that all DNA has been fully duplicated
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Gene coding for P53 is a type of ()
A. kinase inhibitor.
B. tumor suppressor gene.
C. proto-oncogene.
D. oncogene.
A gene that codes for an negative cell-cycle regulator is called a ()
A. kinase inhibitor.
B. tumor suppressor gene.
C. proto-oncogene.
D. oncogene.
The phase when cell is prepared for cell division is()
A. G2 phase
B. G1 phase
C. S phase
D. Interphase
Which of the following cell cycle descriptions is CORRECT? ()
A. DNA are replicated during the G2 phase.
B. Interphase is when the cell spends most of its time performing its cell functions.
C. The interphase consists of prophase, metaphase, anaphase, and telophase.
D. Cell prepare itself for mitosis during S phase
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