Question

Which kind of facilitated diffusion is depicted in the picture given below?

• A. Uniport
• B. Symport
• C. Antiport
• D. Export

Answer 1

Answer:

C. Antiport

• In antiport, carrier proteins allow diffusion of molecules in opposite direction.

• Symport is the diffusion two molecules in the same direction.

• In uniport, there is transport of only one molecule at a time.

• Export is the movement of molecules out of a source.