Multiple Choice
Active transport
A) moves substances out of but not into cells.
B) occurs in dense patches far removed from passive carrier proteins.
C) moves substances from areas of high concentration to areas of low concentration.
D) involves a carrier protein.
Correct Answer:
Verified
Correct Answer:
Verified
Q9: Cells that experience high mechanical stress,like heart
Q12: Active carrier proteins use energy to carry
Q45: Gap junctions allow large molecules to move
Q45: Several types of lipoproteins exist; the best
Q52: Lipids often move within the body in
Q53: Signaling molecules can be "tagged" by attaching
Q54: Which of the following could not easily
Q76: Cell surface receptors of chemical messages are
Q82: Water moves across a membrane from a
Q83: Channel proteins require energy for transporting molecules