Question

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane?

A.Both make it possible for the conditions in the interior to be different from the conditions outside.

B. Both provide a barrier that keeps water from flowing across it so the interior remains dry.

C. Both separate the RNA that forms in the interior from any RNA that might form in the environment.

D. Both can actively move molecules into the interior or out into the surrounding environment.

Please help me i been stuck on this question for hours. :c

Answer 1

B. is not true because the inside is not dry

C. no way a membrane can do this without other signalling components (e.g. glycoproteins)

D. need proteins to actively move things from one side to the other. they key word is active

So the answer is A,