Amino Acids

What is the monomer of protein?

• glucose

• fatty acid

• nucleotide

• amino acid

What are the 3 chemical groups that surround the alpha carbon in an amino acid structure?

• Amino group (NH2)

• Carboxyl group (COOH)

• R group

• Carbon group

Which refers to the side chain of the amino acid that makes amino acids unique from each other?

• Amino group (NH2)

• Carboxyl group (COOH)

• R group

• Hydrogen group

__________ amino acids do not react with water.

What classification of amino acids implies that the protein side chain contains only carbon or hydrogen atoms?

• aliphatic group

• aromatic group

• acids

• basics

____________ is a functional group composed of three pairs of doubly bonded atoms bonded together in the shape of of a regular planar (flat) hexagon.

Choose 3 aliphatic amino acid among the given choices.

• Glycine

• Valine

• Tryptophan

• Leucine

______ amino acids have side chains that prefer to reside in an aqueous environment, thus are called hydrophilic as they are water reactant.​

These polar amino acids have an extra nitrogen group.

• basic

• acidic

• neutral

What type of amino acid contains an extra carboxyl group?

• neutral

• acidic

• basic