Proteins and Amino Acids Quiz

What percentage of daily calorie intake do proteins constitute?

• 15%

• 8%

• 12%

• 5%

What are the building blocks of proteins?

• Nucleic acids

• Amino acids

• Glucose

• Fatty acids

How many amino acids exist in nature?

• 25

• 20

• 15

• 10

How many amino acids does the body make?

• 8

• 15

• 10

• 12

What are the amino acids that cannot be manufactured by the body called?

• Tertiary amino acids

• Secondary amino acids

• Essential amino acids

• Non-essential amino acids

What do vegetarians need to do to derive most benefit from protein foods?

• Consume more dairy products

• Avoid protein foods

• Combine protein foods

• Eat more fruits

What molecules bind together by peptide bonds to form proteins?

• Nucleic acid molecules

• Glucose molecules

• Amino acid molecules

• Fatty acid molecules

What are proteins composed of?

• Carbon, Hydrogen, Oxygen and Sulphur

• Carbon, Hydrogen, Nitrogen and Sulphur

• Carbon, Nitrogen, Oxygen and Sulphur

• Carbon, Hydrogen, Nitrogen and Oxygen

Apart from providing energy, what are proteins responsible for?

• Nerve function

• Digestion and absorption

• Growth, repair and enzyme activity

• Blood circulation

What deficiency results in stunted growth, weakness and fatigue, especially in children?

• Mineral deficiency

• Vitamin deficiency

• Carbohydrate deficiency

• Protein deficiency