Active transport ______.
A) uses ATP as an energy source
B) can move solutes against their concentration gradient
C) can involve the transport of ions
D) all of the above

Question

Quizplus · Accepted Answer

Active transport uses ATP as an energy source and can move solutes against their concentration gradient, which requires energy. It can also involve the transport of ions, which are charged particles that require special transport proteins to move across membranes. Therefore, option D is the correct answer.

Active Transport ______