Question

Which one of the following is a modified amino acid?

• A. Epinephrine
• B. Progesterone
• C. Prostaglandin
• D. Estrogen

Answer 1

The correct option is A Epinephrine

Many biomolecules are polyfunctional, containing two or more different kinds of functional groups, each with its own chemical characteristics and reactions. Amino acids are an important type of polyfunctional biomolecules containing at least two different types of functional groups; an amino group and a carboxylic group. Tyrosine is an alcoholic group containing amino acid. Tyrosine gives rise to a family of catecholamines that includes dopamine, norepinephrine and epinephrine.