(A) Ionic bond

(B) Acidic bond

(C) Peptide bond

(D) Hydrogen bond

(A) 10

(B) 20

(C) 30

(D) 50

(A) Proteins are made up of amino acids.

(B) Proteins are essential for the development of skin, teeth and bones.

(C) Protein is the only nutrient that can build, repair and maintain body tissues.

(D) All of the above

(A) Myosin

(B) Insulin

(C) Myoglobin

(D) Haemoglobin

(A) 120

(B) 110

(C) 130

(D) 140

(A) Lipoproteins

(B) Glycoproteins

(C) Metalloproteins

(D) Complete proteins

(A) The peptide bond

(B) The amino acid sequence

(C) Interaction with other polypeptides

(D) Interaction with molecular chaperons

(A) Heat

(B) Charge

(C) pH change

(D) Organic solvents