Question

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Answer 1

Answer:

Option (c)- Membrane proteins are fixed in their position is correct.

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Answer 2

Answer:

C. Integral proteins have both polar and non-polar regions

Explanation:

Integral proteins are helpful for transporting larger molecules, like glucose, across the cell membrane. They have regions, called “polar” and “nonpolar” regions, that correspond with the polarity of the phospholipid bilayer. Polar and nonpolar refer to the concentration of electrons on a molecule.