What is the similarity between simple diffusion and facilitated diffusion?

A.
Both move molecules from lower concentration to higher concentration.

B.
Both move molecules from higher concentration to lower concentration.

C.
Both need energy.

D.
Both need transport protein.

Question

What is the similarity between simple diffusion and facilitated diffusion?

A. 
Both move molecules from lower concentration to higher concentration.

B. 
Both move molecules from higher concentration to lower concentration.

C. 
Both need energy.

D. 
Both need transport protein.

shrutipande9 · Answer

can u tell me what is diffusion?

anonymous · Answer

Diffusion is one of several transport phenomena that occur in nature. A distinguishing feature of diffusion is that it results in mixing or mass transport, without requiring bulk motion

shrutipande9 · Answer

cool....so now simple diffusion is d type of diffusion in which there is movement of molecules along the conc gradient....

anonymous · Answer

im not sure I understand..

anonymous · Answer

i figured it out. thanks anyways! (:

shrutipande9 · Answer

okay...:)