Category «Engineering Chemistry»

BIO MOLECULES – 5

1) Antibodies are produced by a) WBC b) RBC c) Blood platelets d) None of these 2) Lipases are enzymes that hydrolyse a) Carbohydrates b) Fats c) Proteins d) Thymine 3) Coenzymes are derived from a) Vitamins b) Hormones c) Lipids d) Carbohydrates 4) @ Fructose reacts with methanol in presence of dry HCl gas …

BIO MOLECULES – 4

1) Which of the following is not present in RNA? a) Ribose b) Uracil c) Thymine d) Phosphate 2) Which base is found only in the nucleotides of DNA? a) Thymine b) Adenine c) Guanine d) Cytosine 3) Which of the following sets of bases is present both in DNA and RNA? a) Adenine, uracil, …

BIO MOLECULES – 2

1) Proteins are denatured in the a) Mouth b) Stomach c) large intestine. d) Small intestine 2) Which one of the following is a final waste product of protein metabolism in human beings ? a) b) Uric acid c) Urea d) Ammonia. 3) All digestive enzymes are a) Lipases b) Oxidases c) Transferases d) Hydrolases …

BIO MOLECULES – 1

1) The enzymes are proteins that catayse bio-chemical processes. The enzyme which is present in tears which protects the eye from bacterial infection is a) lysozyme b) zymase c) lipase d) diastase 2) The number of amino acid residues in insulin a) 10 b) 20 c) 51 d) 100 3) Insulin contains 2% by weight …