Motor proteins use the energy in ATP to transport organelles, rearrange elemts o

Question

Motor proteins use the energy in ATP to transport organelles, rearrange elemts of cytoskeleton during cell migration, and move chromosomes during cell division. Which of the following mechanisms is sufficient to ensure the unidirectional movement of a motor protein along its substrate? a. a conformational change is couple to the release of a phosphate(Pi) b. the substrate on which the motor moves has a conformational polarity c. a conformational change is coupled to the binding of ADP d. a conformational cange is linked to ATP hydrolysis

Explanation / Answer

Motor proteins use the energy in ATP to transport organelles, rearrange elemts of cytoskeleton during cell migration, and move chromosomes during cell division. Which of the following mechanisms is sufficient to ensure the unidirectional movement of a motor protein along its substrate?
a. a conformational change is couple to the release of a phosphate(Pi)

b. the substrate on which the motor moves has a conformational polarity

c. a conformational change is coupled to the binding of ADP

d. a conformational cange is linked to ATP hydrolysis

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