Proteins

What are the atoms found in proteins?

• Na, Cl, K, Mg

• P, S, K, I

• C, H, O, N

• Fe, Cu, Zn, Ca

What is the function of antibodies, which are special proteins in the immune system?

• Defend against foreign bodies

• Maintain fluid balance

• Provide energy

• Facilitate nutrient transportation

What is the last source of energy for the body during starvation?

• Vitamins

• Proteins

• Lipids

• Carbohydrates

Which proteins are responsible for the contraction of muscles?

• Hemoglobin

• Collagen

• Keratin

• Actin and Myosin

What is the process in which a protein loses its function or shape?

• Activation energy

• Dehydration synthesis

• Denaturation

• Hydrolysis

What is the location in which the chemical reaction takes place in an enzyme?

• Enzyme component

• Substrate

• Protein folding stage

• Active site

What is the starting material that the enzyme uses in a chemical reaction?

• Active site

• Protein folding stage

• Substrate

• Enzyme component