idontlikeessays
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#1
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#1
Could somebody help me please?

So, carrier proteins are involved in both faciliated diffusion and active transport. However, I thought facilitated diffusion doesn't require ATP but active transport does so how can carrier proteins be involved in both?
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Imfailinghelpxox
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(Original post by idontlikeessays)
Could somebody help me please?

So, carrier proteins are involved in both faciliated diffusion and active transport. However, I thought facilitated diffusion doesn't require ATP but active transport does so how can carrier proteins be involved in both?
I think carrier proteins are only involved in active transport and channel proteins in facilitated
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Reality Check
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(Original post by idontlikeessays)
Could somebody help me please?

So, carrier proteins are involved in both faciliated diffusion and active transport. However, I thought facilitated diffusion doesn't require ATP but active transport does so how can carrier proteins be involved in both?
I think you're getting mixed up with this. Active transport isn't specifically to do with carrier proteins or how the cargo is physically transported across the membrane: active transport is all about moving something against a concentration gradient, which is why it's an energy consuming process. Diffusion, conversely, occurs down an electrochemical gradient. The difference between active and passive transport is all about the energetics of it, not whether or not carrier proteins are involved in moving the cargo across the membrane.
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idontlikeessays
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(Original post by Reality Check)
I think you're getting mixed up with this. Active transport isn't specifically to do with carrier proteins or how the cargo is physically transported across the membrane: active transport is all about moving something against a concentration gradient, which is why it's an energy consuming process. Diffusion, conversely, occurs down an electrochemical gradient. The difference between active and passive transport is all about the energetics of it, not whether or not carrier proteins are involved in moving the cargo across the membrane.
Ohhhh okay i get it thanks so much!!
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Reality Check
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#5
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(Original post by idontlikeessays)
Ohhhh okay i get it thanks so much!!
Super!
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