Match the following and choose the correct combination from the options given:
A-4; B-3; C-2; D-1
Glutamic acid is an acidic amino acid. It has two carboxyl and one amino group in its molecule.
Tryptophan has an indole and a phenyl ring in its structure. It is an aromatic amino acid.
Lecithin is a phospholipid containing some amounts of triglycerides, carbohydrates and pigments.
Palmitic acid is a saturated fatty acid.