There Are Two Basic Types of Active Transport

Multiple Choice

There are two basic types of active transport.The difference between them is

A) the energy source each uses to move substances across a membrane.
B) the type of transporters each uses to move substances across a membrane.
C) the direction in which each moves substances across a membrane.
D) the type of membrane across which substances are moved.
E) the amount of energy each requires for moving substances across a membrane.