2 what is one way that facilitated diffusion differs from simple diffusion?

a facilitated diffusion requires energy input.
b facilitated diffusion requires membrane proteins.
c facilitated diffusion requires a concentration gradient.
d facilitated diffusion requires small, nonpolar molecules.

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material

What are the three groups of atoms that make up amino acids called

In response to framton's dialogue about his health issues, mr. sappleton replies: "no? " said mr. sappleton, in a voice which only replaced a yawn at the last moment. then she suddenly brightened into alert not to what framton was saying. what does this statement reveal about how mrs. sappleton feels about framton? a) she finds him boring. b) she's happy he came by. c) she finds him annoying. d) she feels sorry for him