Quiz on Protein and Human Health

What are proteins primarily composed of?

• Nucleotides

• Amino acids

• Carbohydrates

• Fatty acids

Which structure is formed by the folding of a single polypeptide chain?

• Primary structure

• Secondary structure

• Tertiary structure

• Quaternary structure

What type of bond forms between amino acids to create proteins?

• Ionic bond

• Hydrogen bond

• Peptide bond

• Disulfide bond

Which of the following is a function of enzymes?

• Provide structural support

• Store energy

• Catalyze biochemical reactions

• Transport oxygen

What is the primary structure of a protein?

• The interaction between multiple polypeptides

• The 3D shape of the protein

• The sequence of amino acids

• The folding pattern of the protein

Which type of protein is responsible for muscle contraction?

• Structural proteins

• Receptor proteins

• Motor proteins

• Transport proteins

What is the role of membrane proteins?

• Store genetic information

• Facilitate transport across membranes

• Synthesize hormones

• Degrade waste products

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

• Insulin

• Collagen

• Hemoglobin

• Actin

What is the function of peptide hormones?

• Regulate physiological processes

• Catalyze reactions

• Provide structural support

• Store energy

Which structure arises when two or more polypeptides join to form a protein?

• Tertiary structure

• Quaternary structure

• Secondary structure

• Primary structure