Which of these is an example of active transport?
A)diffusion of oxygen from a place of high concentration to a place of lower concentration
B)facilitated diffusion of K+
C)transport of glucose down its concentration gradient
D)transport of Na+ from a place of low concentration to a place of higher concentration
E)transport of Cl- following its concentration gradient

Question

Quizplus · Accepted Answer

Active transport involves the movement of molecules against their concentration gradient, which requires energy. Transport of Na+ from a place of low concentration to a place of higher concentration is an example of active transport.

Which of These Is an Example of Active Transport