Quiz on Proteins

What are proteins primarily composed of?

• Nucleic acids

• Amino acids

• Fatty acids

• Carbohydrates

Which type of protein acts as a catalyst in biochemical reactions?

• Hormones

• Structural proteins

• Enzymes

• Storage proteins

What is the function of transport proteins like hemoglobin?

• Protect the body from pathogens

• Carry substances in the blood or lymph

• Effect muscle contraction

• Provide nourishment in early development

Which of the following is an example of a structural protein?

• Insulin

• Actin

• Hemoglobin

• Immunoglobulins

What role do hormones play in the body?

• Catalyze biochemical reactions

• Coordinate different body systems' activity

• Construct different structures

• Provide nourishment in early development

What is the process called when a protein loses its shape and function due to changes in temperature, pH, or exposure to chemicals?

• Denaturation

• Hydrolysis

• Polymerization

• Oxidation

What are the monomers that comprise proteins?

• Amino acids

• Nucleotides

• Monosaccharides

• Fatty acids

Which group is NOT part of the basic structure of an amino acid?

• Amino group

• Carboxyl group

• Phosphate group

• R group

What is the bond called that forms between amino acids?

• Ionic bond

• Hydrogen bond

• Peptide bond

• Metallic bond

What is the N terminal of a polypeptide?

• The end with a free carboxyl group

• The end with a free amino group

• The middle of the polypeptide chain

• The end with a peptide bond