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MCAT Question A Day - 5/29/14 - Answer!

Which of the following structures are found in prokaryotes?

I.  A cell wall containing peptidoglycan.
II. A plasma membrane lacking cholesterol.
III.  Ribosomes

A.  I only
B.  II only
C.  I and II only
D.  I. II, and III

D is correct. Prokaryotes have a cell wall that contains peptidoglycan, ribosomes, and a plasmmembrane without cholesterol.

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