Question

Channel proteins have an opening or ? Through which molecules can passively move by ? diffusion

Answer 1

Answer:

In contrast, channel proteins (see the next section) form open pores through the membrane, allowing the free diffusion of any molecule of the appropriate size and charge. Carrier proteins are responsible for the facilitated diffusion of sugars, amino acids, and nucleosides across the plasma membranes of most cells.

Explanation:

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Answer 2

Answer:

ch

Explanation:

channel protiens have an opening or through