A randomized controlled experiment is Select one:
a. neither inherently weaker nor inherently stronger than an observational study.
b. inherently stronger than an observational study.
c. inherently weaker than an observational study.

Amino acids are organic compounds that contain amino and carboxylate functional groups, along with a side chain specific to each amino acid.

Explanation:

Amino acids are small molecules that are the building blocks of proteins. Chemically, an amino acid is a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the α carbon.