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taurus [48]
3 years ago
7

Which molecules would REQUIRE a channel or transport protein to cross the cell membrane?

Biology
1 answer:
Molodets [167]3 years ago
5 0
C) K ( potassium)

Explanation:
Small non-charged molecules like CO2, H2O, O2 can pass through the membrane freely.
But others such as K+ require specific potassium bumps throughout the membrane. Which acts to transport Na+ and K+ cross the membrane.
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