Homework Help: AP Biology

Posted by Ashley on Monday, January 4, 2010 at 9:33am.

Which of the following is probably the main factor responsible for the phenomenon of density-dependent inhibition?

a. a local accumulation of growth-inhibiting factors
b. a local deficiency of nutrients
c. cells' inate "sense" of knowing when the organ of which they are apart has no need for additional cells
d. a shortage of growthfactors
e. none of the choices are correct

AP Biology - Ms. Sue, Monday, January 4, 2010 at 11:56am
http://en.wikipedia.org/wiki/Density-dependent_inhibition
AP Biology - Amy, Wednesday, July 7, 2010 at 8:29pm
I believe that it is none of the choices. I have read the chapter, and I am not 100% sure, but a,b,c, or d just don't seem right.

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