Protein Quiz

What elements make up protein?

• Carbon, Oxygen, Nitrogen, Sulfur

• Carbon, Hydrogen, Nitrogen, Sulfur

• Carbon, Hydrogen, Oxygen, Phosphorus

• Carbon, Hydrogen, Oxygen, Nitrogen

Which of the following is an essential amino acid?

• Alanine

• Valine

• Cysteine

• Tyrosine

What is the primary structure of a protein?

• The order of amino acids in the protein chain

• The folding of the protein chain into a 2D shape

• The 3D shape of the protein

• The combination of multiple protein chains

Which protein structure involves disulfide bonds?

• Primary

• Secondary

• Tertiary

• Quaternary

What is the biological value of protein?

• The energy provided by protein

• The rate at which protein is digested

• The measure of protein quality in food

• The amount of protein in food

Which of the following foods is a source of high biological value protein?

• Eggs

• Rice

• Wheat

• Maize

What is the complementary value of proteins?

• Combining proteins to increase their quantity

• Combining proteins to provide all essential amino acids

• Combining proteins to increase their digestibility

• Combining proteins to improve their taste

What is the recommended daily allowance (RDA) of protein for adults?

• 30-50g/day

• 60-80g/day

• 50-75g/day

• 70-85g/day

What is denaturation of protein?

• Breaking down protein into amino acids

• Changing the nature of the protein

• Combining amino acids to form protein

• Increasing the protein content in food

Which enzyme in the stomach breaks down proteins into peptones?

• Trypsin

• Pepsin

• Rennin

• Peptidase