Which phrase correctly describes the function of channel proteins? a. attaches to a substance and changes shape to move that substance through the membrane and into the cell b. transmits information from outside the membrane into the cell c. moves substances from one side of the cell membrane to the other d. has a shape that allows it to binds with certain substances and move them into the cell

The correct answer is option D.  

Explanation:

Channel protein are proteins that embedded in the cell membrane and has specific arrangements of amino acids that provide them a unique shape. These proteins help in a certain substance to move through the semipermeable membrane or cell membrane. Channel proteins help in the transport of specific molecules with facilitated diffusion.

It has a shape that helps it to allow only specific substances to move and exclude other substances.

Thus, the correct answer is option D.

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