You perform an experiment by incubating a radiolabeled nucleotide into the medium of a culture of cells. The cells that take up the radiolabel would be expected to be in what phase of the cell cycle?

a. S phase
b. G1 phase
c. G2 phase
d. M phase


Ans: a. S phase

Biology & Microbiology

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Normal humans have how many parathyroid glands?

a. 2 b. 3 c. 4 d. 5 e. 6

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Compare and contrast the general processes of asexual and sexual reproduction. What will be an ideal response?

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The human cerebral cortex accounts for what percentage of the total mass of the brain?

A) 20% B) 40% C) 60% D) 80%

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