Which of the following food-stuffs contains nitrogen?

• Carbohydrates

• fats

• Proteins

• None of these

Glucose is obtained from

• Starch

• Molasses

• Both (a) and (b)

• None of these

123.

Fibrous protein are not present in

• myosin

• albumins

• collagen

• fibroin

Which of the following is not a biopolyme?

• Polysaccharide

• Protein

• Lipid

• Nucleic acid

Which of the following contains thymine?

• m-RNA

• r-RNA

• t-RNA

• None of the above

Which of the following statements is true?

• Denaturation of protein changes the primary structure of protein

• All proteins act as biocatalyst

• C-terminal amino acid in proteins is determined by Edman degradation

• The pleated sheet structure of proteins was determined by Pauling

Which of the following is not present in DNA?

• Adenine

• Guanine

• Uracil

• Thymine

Which of the following is not basic amino acid?

• Leucine

• Lysine

• Arginine

• Histidine

Which of the following is involved in formation of heme?

• Lysine

• Glycine

• Tryosine

• Arginine

The human body does not produce

• enzyme

• DNA

• vitamins

• hormones