Homework Help: biology

Posted by CHARLOTTE on Wednesday, September 30, 2009 at 8:27pm.

Why is a large surface area : volume ratio needed for cells to function properly?

a.Adequate surface area (plasma membrane) is needed to furnish nutrients to and expel wastes from the volume (cytoplasm).
b. Smaller volumes reduce and larger surface areas reduce the cell's ability to bring nutrients in and get rid of waste.
c. A smaller surface area allows the cell to increase its metabolic activity by bringing in even more nutrients than larger surface areas. d. The surface area and volume increase at the rate to ensure cell growth and reproduction.

biology - Jen, Saturday, March 13, 2010 at 3:12pm
A.

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