객관식
In most mammalian cells, how does glucose cross the plasma membrane into the cell?
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9. Transport Across Membranes
Transporters
객관식
Which of the following classes of ATP-drive pumps can synthesize ATP when reversed?
A
P pumps
B
V pumps
C
F pumps
D
ABC Transporters
검증된 단계별 안내1
Understand the function of ATP-driven pumps: These pumps use the energy from ATP hydrolysis to transport ions or molecules across membranes.
Identify the different classes of ATP-driven pumps: P pumps, V pumps, F pumps, and ABC transporters.
Learn about F pumps: F pumps, also known as ATP synthases, are unique because they can work in reverse. When operating in reverse, they use the energy from a proton gradient to synthesize ATP from ADP and inorganic phosphate.
Compare the function of F pumps with other pumps: Unlike P pumps, V pumps, and ABC transporters, which primarily use ATP to transport substances, F pumps can synthesize ATP when operating in reverse.
Conclude that F pumps are the class of ATP-driven pumps capable of synthesizing ATP when reversed, distinguishing them from the other classes listed.
