Which of the following statements concerning active transport is true?
A) It takes place in the same direction as a concentration gradient.
B) It requires no expenditure of energy by the cell.
C) It can be compared to water running downhill.
D) A membrane-associate protein must be involved.
Correct Answer:
Verified
Q62: In the operation of the sodium-potassium pump
A)
Q63: Passive transport is the same as:
A) simple
Q64: A useful method for studying membrane proteins
Q65: The following lipid vitamin is often used
Q66: In the sodium-potassium pump
A) sodium is transported
Q68: Which of the following is not true?
A)
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