Amino Acids and Proteins Quiz

What are proteins made up of?

• Amino acids

• Nucleotides

• Fatty acids

• Carbohydrates

How many essential amino acids are there?

• 9

• 11

• 20

• 15

What is the primary structure of a protein?

• Linear sequence of amino acids

• Three-dimensional shape

• Arrangement of polypeptide chains

• None of the above

What is the role of enzymes?

• Biological catalysts

• Structural components

• Energy sources

• Transport molecules

What is a coenzyme?

• A small organic molecule

• A large protein

• An inorganic ion

• A type of enzyme

What happens to red blood cells carrying HbS when oxygen concentration is reduced?

• They become sickle-shaped

• They increase in size

• They die

• They become more flexible

What is the function of glutathione?

• Natural antioxidant

• Hormone

• Growth factor

• Enzyme

What is the significance of the active site of an enzyme?

• It binds to the substrate

• It is the site of enzyme synthesis

• It determines the enzyme's shape

• It is where products are released

What are dipolar ions?

• Zwitterions

• Cations

• Anions

• None of the above

What is the role of chaperones in protein structure?

• Help proteins fold correctly

• Transport proteins

• Synthesize proteins

• Degrade misfolded proteins