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Finger [1]
3 years ago
14

A protein channel is the transportation protien that

Biology
2 answers:
Shtirlitz [24]3 years ago
4 0
That molecule can only cross the cell membrane if the particular carrier protein is available. There are two types of transport that use channel proteins. The first type does not require energy to move the substance across the cell membrane. This is called facilitated diffusion.
Cerrena [4.2K]3 years ago
3 0
Whats the answers needing to be provided?

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