What cytoskeletal protein is phosphorylated by the M cyclin-CDK complex?

A. microfilaments
B. microtubules
C. intermediate filaments
D. All of the above are correct.


C

Biology & Microbiology

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Membrane sterols, such as cholesterol, function in animal cell membranes to ____

a. increase the rate of diffusion b. store cellular energy c. facilitate ion transport d. maintain membrane fluidity e. receive chemical signals

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Which of the following is a type of microscope?

a. convex b. UV light c. dissecting d. scanning proton

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A muscle that causes any type of movement in a joint when it contracts is called a(n)

a. flexor. b. agonist. c. depressor. d. antagonist. e. extensor.

Biology & Microbiology

Which combination describes the plasma membrane?

A) Hydrophilic interior, hydrophobic exterior B) Hydrophilic interior and exterior C) Hydrophobic interior, hydrophilic exterior D) Hydrophobic interior and exterior

Biology & Microbiology