Question

which is a component of a phospholipid? carbon ring hydrophilic head long - chain alcohol amino acid

Explanation:

Phospholipids have a hydrophilic (water - loving) head and hydrophobic (water - fearing) tails. A carbon ring is not a general component of phospholipids. Long - chain alcohol is not a part of the basic phospholipid structure. Amino acids are the building blocks of proteins, not phospholipids.

Answer:

hydrophilic head