Protein Quiz

What is the primary structure of proteins determined by?

• Flavor

• Genetic code

• Food color

• Texture

Which of the following is not a function of proteins?

• Act as food color

• Act as a solvent

• Provide essential amino acids

• Provide energy

What is the main nutritional function of proteins related to food texture?

• Flavor

• Aroma

• Water retention capacity

• Food color

What is the process of modifying the conformation of a protein called?

• Protein synthesis

• Protein digestion

• Protein coagulation

• Protein denaturation

Which factor does not cause protein denaturation?

• Concentrated salt solutions

• Heat

• Strong acids

• Neutral pH

What is the result of protein denaturation in milk?

• Aroma

• Protein coagulation

• Water retention capacity

• Food color

What causes the denaturation of protein in eggs?

• Concentrated salt solutions

• Heat

• Phenolic substances

• Strong bases (high pH)

Which type of protein structure is related to the three-dimensional arrangement of amino acids?

• Tertiary structure

• Quaternary structure

• Secondary structure

• Primary structure

What are the classifications of amino acids based on their side chains?

• Neutral and charged

• Aromatic and aliphatic

• Polar and nonpolar

• Acidic and basic

What is the function of biologically-active peptides in proteins?

• Act as food color

• Provide energy

• Provide essential amino acids

• Enhance flavor