Cholesterol
A)incorporation into the membrane results in increased rigidity.
B)functions as a precursor to cerebrosides.
C)is synthesized in two-carbon units.
D)is synthesized from steroid hormones.
E)all of the above

Question

Quizplus · Accepted Answer

Cholesterol is a major component of animal cell membranes and its incorporation into the membrane increases its rigidity and decreases its fluidity.

Answer: D 
 Cholesterol is synthesized from acetyl-CoA and is a precursor to steroid hormones, not the other way around.

Therefore, the correct answer is A, D.