Multiple Choice
Which of the following is a characteristic feature of a carrier protein in a plasma membrane?
A) It is a peripheral membrane protein.
B) It exhibits a specificity for a particular type of molecule.
C) It requires the expenditure of cellular energy to function.
D) It works against diffusion.
E) It has few, if any, hydrophobic amino acids.
Correct Answer:

Verified
Correct Answer:
Verified
Q70: Glucose diffuses slowly through artificial phospholipid bilayers.
Q71: Who was/were the first to propose that
Q72: What kinds of molecules pass through a
Q73: The solutions in the two arms of
Q74: According to the fluid mosaic model of
Q76: Several epidemic microbial diseases of earlier centuries
Q77: Which of the following would increase the
Q78: In the small airways of the lung,
Q79: The solutions in the arms of a
Q80: A bacterium engulfed by a white blood