What are the two general types of force that accomplish transport of substances across a membrane?
A)push and pull forces
B)attractive and repulsive
C)negative and positive
D)passive and active forces
E)up and down forces

Question

What are the two general types of force that accomplish transport of substances across a membrane?
A)​push and pull forces
B)attractive and repulsive
C)negative and positive
D)passive and active forces
E)​up and down forces

Quizplus · Accepted Answer

The two general types of force that accomplish transport of substances across a membrane are passive and active forces. Passive transport occurs when molecules move across the membrane from areas of high concentration to areas of low concentration, without the consumption of energy. Examples of passive transport include diffusion and osmosis. Active transport, on the other hand, requires energy and occurs when molecules move across the membrane from areas of low concentration to areas of high concentration. Examples of active transport include the sodium-potassium pump and endocytosis.

What Are the Two General Types of Force That Accomplish