Which of the following provide a mechanism for the transport of ions and polar molecules through a membrane?
A) active transport
B) specific channels
C) both a and b
D) neither a nor b

Question

Quizplus · Accepted Answer

Active transport and specific channels both provide a mechanism for the transport of ions and polar molecules through a membrane. Active transport involves the use of energy to move molecules against a concentration gradient, while specific channels are specialized proteins that facilitate the movement of specific molecules through the membrane.

Which of the Following Provide a Mechanism for the Transport