V-class pumps: Which is most true? A.Pump only H+ ions against a concentration g

Question

V-class pumps: Which is most true? A.Pump only H+ ions against a concentration gradient across a membrane to lower the pH of the compartment B.Hydrolyze ATP for energy C.Have a structure and mechanism similar to those of the F0/F1-ATPase D.Do not generate a membrane electrical potential because of Cl- transport by a uniporter E.All of the above V-class pumps: Which is most true? A.Pump only H+ ions against a concentration gradient across a membrane to lower the pH of the compartment B.Hydrolyze ATP for energy C.Have a structure and mechanism similar to those of the F0/F1-ATPase D.Do not generate a membrane electrical potential because of Cl- transport by a uniporter E.All of the above V-class pumps: Which is most true? A.Pump only H+ ions against a concentration gradient across a membrane to lower the pH of the compartment B.Hydrolyze ATP for energy C.Have a structure and mechanism similar to those of the F0/F1-ATPase D.Do not generate a membrane electrical potential because of Cl- transport by a uniporter E.All of the above

Explanation / Answer

For the V class pumps the most appropriate statement includes all of the below statements. Ie.

They Pump only H+ ions against a concentration gradient across a membrane to lower the pH of the compartment
B.Hydrolyze ATP for energy
C.Have a structure and mechanism similar to those of the F0/F1-ATPase
D.Do not generate a membrane electrical potential because of Cl- transport by a uniporter

These V type pumps are involved in the transport of protons into certain specific organelles like lysosomes, synaptic vesicles, plant vacuoles etc.

Hence option E is correct.

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