Cell The Unit Of Life Question 13
Question: Sodium and potassium pumps are common in many cells. Which of the following are necessary for the pumps to work?
Options:
A) ATP-driven pumping proteins.
B) A signal to activate the pumps.
C) A concentration gradient to work against.
D) All of the above
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Temperature, molecule size, molecule charge, and concentration gradients all affect the rate at which diffusion takes place.
BETA
