Which statement about movement into the cytosol is false?
A) If glucose and sodium can both combine with the same carrier, the presence of one of these molecules decreases the rate of entry of the other.
B) In simple diffusion, the rate of entry of an ion is directly proportional to its concentration in the cytosol.
C) When a glucose symporter becomes saturated, the rate of glucose entry decreases.
D) None of the statements are false.
E) All of the statements are false.
Correct Answer:
Verified
Q30: Which of the following can diffuse between
Q31: Facilitated diffusion
A)involves a membrane channel
B)requires the cell
Q32: Tight junctions
A)prevent passage of materials into epithelial
Q33: The concentration gradient for
A)K+ favors its movement
Q34: Which of the following is least related
Q36: _ are adhering junctions, _ are impermeable
Q37: Which of the following solutions has a
Q38: Carrier-mediated transport
A)involves a specific membrane protein
B)always moves
Q39: Two ATP molecules could provide energy for
Q40: Solution 1 has two solutes (A and
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