Amino Acids and Proteins Quiz

What are the building blocks of proteins?

• Amino acids

• Fatty acids

• Carbohydrates

• Nucleotides

How many amino acids are involved in protein synthesis?

• 50

• 20

• 10

• 300

Which configuration do amino acids found in proteins have?

• D configuration

• R configuration

• L configuration

• S configuration

What type of amino acid is characterized by having a hydroxyl group in its side chain?

• Basic amino acids

• Aromatic amino acids

• Hydroxy amino acids

• Aliphatic amino acids

Which of the following amino acids is classified as non-essential?

• Lysine

• Histidine

• Threonine

• Alanine

What is the term for amino acids that cannot be synthesized by the body?

• Essential amino acids

• Non-essential amino acids

• Semi-essential amino acids

• Metabolic amino acids

Which amino acid is purely ketogenic?

• Leucine

• Alanine

• Glycine

• Serine

What is the isoelectric point (PI) of an amino acid?

• The pH at which the amino acid is fully protonated

• The pH at which the amino acid has a negative charge

• The pH at which the amino acid has a positive charge

• The pH at which the amino acid carries no net charge

Which amino acid can form disulfide linkages?

• Methionine

• Cysteine

• Proline

• Tyrosine

What type of bond is formed between amino acids during protein synthesis?

• Covalent bond

• Hydrogen bond

• Peptide bond

• Ionic bond