Which of the following is not involved in secondary active transport?
A) The direct use of ATP
B) Coupling to another transport system
C) Use of an existing concentration gradient
D) The plasma membrane
E) The ability to concentrate the transported molecule

Question

Quizplus · Accepted Answer

Secondary active transport relies on the use of an existing concentration gradient to move substances across the plasma membrane, and may be coupled to another transport system, but does not directly use ATP. Therefore, option A is not involved in secondary active transport.

Which of the Following Is Not Involved in Secondary Active