Functional Properties of Food Quiz

What are proteins made up of?

• Fatty acids

• Amino acids

• Carbohydrates

• Nucleotides

How many amino acids are there?

• 30

• 15

• 22

• 20

What type of bond holds amino acids together?

• Hydrogen bond

• Peptide bond

• Ionic bond

• Covalent bond

Which type of protein is elongated and found in muscle fibers?

• Globular proteins

• Fibrous proteins

• Structural proteins

• Enzymatic proteins

What is denaturation?

• The process of proteins forming bonds

• The process of proteins combining

• The process of proteins unraveling

• The process of proteins solidifying

What happens to proteins when heat is applied?

• They become more elastic

• They denature

• They solidify without change

• They dissolve

Which of the following factors does NOT affect protein denaturation?

• Temperature

• Color

• Acidity

• Agitation

What is coagulation?

• The process of proteins becoming liquid

• The process of proteins forming a solid mass

• The process of proteins mixing with fats

• The process of proteins breaking down

Which of the following is a globular protein found in eggs?

• Gluten

• Albumin

• Collagen

• Casein

What effect does salt have on proteins?

• It enhances flavor only

• It prevents denaturation

• It denatures proteins

• It has no effect