Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

Which membrane transport process requires the hydrolysis of ATP?
Options
A Active transport
Correct Answer
B Osmosis
C Facilitated diffusion
D Passive diffusion
Correct Answer

Option A is the correct answer.

Detailed Explanation

Active transport moves substances against their concentration gradient (from low to high concentration). This energetically unfavorable process requires direct input of energy, usually from the hydrolysis of ATP.

Hint

It moves substances 'uphill' and requires energy.

Question Info