The water soluble materials pass through the proteins called __________.
A
Glycoprotein
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B
Glycocalyx
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C
Extrinsic proteins
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D
Channel proteins
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Solution
The correct option is D Channel proteins Due to the hydrophobic nature of the lipids that make up the cell membrane, polar molecules such as water and ions cannot cross it without the assistance of integral proteins known as Channel proteins. A channel protein acts as a pore in the membrane that lets water molecules or small ions pass through quickly by the process known as Facilitated diffusion.