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 a concentration gradient.
Correct Answer:

Verified
Correct Answer:
Verified
Q12: The phosphate transport system in bacteria imports
Q13: The sugars associated with glycoproteins and glycolipids
Q14: What kinds of molecules pass through a
Q15: Submerging a red blood cell in distilled
Q16: Which of the following molecules are localized
Q18: The fluid mosaic model of membrane structure
Q19: Theoretically,how might researchers disrupt signal transduction pathways
Q20: The electrochemical gradient across a membrane would
Q21: The secretion of a signal molecule by
Q22: Phosphatase enzymes in signal transduction pathways function