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Membrane transport proteins – Compare and contrast transporters (aka carriers) and pumps. Include at least three...

Membrane transport proteins – Compare and contrast transporters (aka carriers) and pumps. Include at least three features they share and at least three ways in which they differ.

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Answer #1

Pump:
-It shift small organic molecules or inorganic ions from one side of the membrane to the other by CHANGING SHAPE.
-Pumps generate a membrane potential by creating an electrochemical gradient across the membrane.
-Expenditure of energy.
-Works Against of according to concentration gradient.

Carrier:
-It form tiny HYDROPHILIC PORES across the membrane through which such substances can pass by DIFFUSION.
-No generation of membrane potential.
-It follow passive pathway so no expenditure of energy.
-Movement of substances according to Concentration gradient.

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