MT-MLS 201 C3

What are the simplest compounds that contain an amino group and a carboxyl group?

• Lipids

• Carbohydrates

• Amino acids

• Nucleotides

Which group of amino acids has side chains that are electrically neutral at neutral pH?

• Acidic amino acids

• None of the choices

• Basic amino acids

• Polar neutral amino acids

What is the term for the bond formed between the α-carboxyl group of one amino acid and the α-amino group of another?

• Ionic bond

• Disulfide bond

• Peptide bond

• Hydrogen bond

Which amino acid is known for having a sulfur atom in its side chain?

• Phenylalanine

• Cysteine

• Methionine

• Tryptophan

Which of the following amino acids is classified as basic?

• Serine

• Alanine

• Aspartic acid

• Lysine

What is the pH at which a molecule has no net charge called?

• Neutral point

• Basic point

• Acidic point

• Isoelectric point

Which amino acid is essential and must be supplied through the diet?

• Serine

• Glycine

• Alanine

• Histidine

Which amino acid has a hydroxyl group in its side chain?

• Isoleucine

• Leucine

• Valine

• Threonine

What is the primary function of oxytocin?

• Stimulating digestion

• Enhancing memory

• Inducing labor

• Regulating blood pressure

Which of the following amino acids is a nonpolar amino acid?

• Asparagine

• Leucine

• Threonine

• Serine