Question

Identify P, Q & R in the figure

• A. P - Antiport, Q - Symport, R - Uniport
• B. P - Symport, Q - antiport, R - Uniport
• C. P - Uniport, Q - Symport, R - Antiport
• D. P - Uniport, Q - Antiport, R - Symport

Answer 1

Answer: (D)

P - Uniport, Q - Antiport, R - Symport

Uniport is the transport of one molecule at a time, whereas, in symport, two molecules are transported at a time in the same direction and in antiport, the molecules are transported at a time in opposite directions.