Physiology Q

[tino010]

What property does a membrane pump contain but a membrane carrier does not?

I know both flux depend onan electrical gradientbut what are the differences in each?

 

Thanks in advance.

[Stefan-CoA]

Wiki them? Carriers come in different forms (active, passive etc) and membrane pumps only in one. If you "pump" something, you require energy to move something from low to high. I hope that helps a bit.

[Bobr]

it's in the name, basically. pump is actively pumping something, even if the concentration on the target side of membrane is higher than on the other; carrier only facilitates concentration - based transport.

[tino010]

Thanks.

 

 

[Guest susanexpress]

thank you very much

 

 

 

 

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[Joshua201]

pumps require ATP

Carriers could be active or passive transporters