Which of the following regulates progression through the phases of the cell cycle?

a. fluctuating concentrations of cyclin-dependent kinases
b. fluctuating concentrations of microtubules
c. fluctuating concentrations of cyclins
d. fluctuating concentrations of actin


Answer: c. fluctuating concentrations of cyclins

Biology & Microbiology

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The renal cortex is indicated by

a. A. b. B. c. C. d. D. e. E.

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If your grandparents were in the F1 generation, what generation are you in?

A) F3 B) H3 C) P D) P3

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Primates have binocular vision that lets the brain judge distances.

Answer the following statement true (T) or false (F)

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Which of the following is most similar between the cell cycle process of Sulfolobus and that of bacteria?

A. The segregation of the chromosomes B. The timing of events during G1, S, and G2 C. The cytokinesis process

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