Question

in the image depicted below, the part of the phospholipid bilayer labeled “a”
a are carbohydrates.
b are hydrophobic fatty acid tails (lipids).
c are hydrophilic phosphate heads.
d are transport proteins.

Explanation:

The image shows a phospholipid bilayer. The part labeled "A" is the interior of the bilayer, which consists of the hydrophobic fatty acid tails of phospholipids. Option A is incorrect as carbohydrates are not the main component here. Option C is incorrect because phosphate heads are hydrophilic and are on the outer sides. Option D is incorrect as transport proteins are different structures. So the correct description for part A is that they are hydrophobic fatty acid tails (lipids).

Answer:

B. are hydrophobic fatty acid tails (lipids)