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Other quiz:

Cell Division › View

Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.

A. 23, 46

B. 46, 23

C. 2, 4

D. 50, 100

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Cell Structure and Functions › View

Which of the following molecules is least likely to cross a cellular membrane by simple diffusion?

A. carbon dioxide

B. nitrogen

C. potassium ion

D. water

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