The Importance of Protein in Our Diet

What is the primary function of proteins in the human body?

• Water balance regulation

• Structural support and function

• Signal transmission

• Energy storage

From which Greek word is 'protein' derived, and what does it mean?

• Proteos meaning 'primary'

• Protos meaning 'first'

• Protera meaning 'foremost'

• Protean meaning 'versatile'

What element is essential in amino acids that helps in synthesizing specialized proteins?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Which protein is known for its resistance to digestive enzymes?

• Hemoglobin

• Myoglobin

• Actin

• Keratin

What is the role of myoglobin?

• Enzyme activation

• Hair and nail formation

• Oxygen transport in muscles

• Blood clotting

What do lipoproteins transport in the blood?

• Oxygen

• Cholesterol

• Electrolytes

• Glucose

Which vitamin is often needed for proteins to perform their functions effectively?

• Vitamin B12

• Vitamin D

• Vitamin C

• Vitamin E

How much of the dietary protein consumed daily is used for making enzymes?

• About 25%

• About 50%

• About 75%

• Nearly 100%

What is the function of neurotransmitters in the body?

• To digest food

• To strengthen bones

• To send messages between cells

• To carry oxygen

What are chromosomes primarily made of?

• Lipids and proteins

• Carbohydrates and lipids

• Nucleic acids and proteins

• Minerals and carbohydrates