Which of the following best describes a feature of the cell membrane's structure that allows molecules such as oxygen and hydrocarbons to easily cross the membrane and enter the cell?

a. The bilayer contains mostly polar molecules.

b. The interior of the lipid bilayer is hydrophobic.

c. The bilayer is embedded with transport proteins.

d. The exterior of the lipid bilayer is unsaturated.

Question

Biology

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15 June, 08:47

Which of the following best describes a feature of the cell membrane's structure that allows molecules such as oxygen and hydrocarbons to easily cross the membrane and enter the cell?

a. The bilayer contains mostly polar molecules.

b. The interior of the lipid bilayer is hydrophobic.

c. The bilayer is embedded with transport proteins.

d. The exterior of the lipid bilayer is unsaturated.

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Answers (1)

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Vernon · Answer 1

B the interior of the phospholipid bilayer membrane is hydrophobic.

the heads of the phospholipids are hydrophilic and the 2 tails are hydrophobic.

the molecules described are small enough that they can pass through the membrane without much trouble.