42. Denaturation of proteins results in loss of structure. a) primary b) seconda

Question

42. Denaturation of proteins results in loss of structure. a) primary b) secondary c) tertiary d) B&C; e) A, B & C 43. The quaternary structure of a protein is due to: a) hydrogen bonding within the peptide b) aggregation of two or more polypeptides c) disulfide linkages within the peptide d) all of these 44. Proteins that catalyze biochemical reactions are called a) apoproteins b) peptides c) enzymes d) none of these 45. Hemoglobin found in blood is classified as a protein a) structural b) regulatory c) transport d) fibrous e) none of these 46. Insulin involved in carbohydrate metabolism is classified as aprotein. a) structural b) regulatory c) transport d) protection e) none of these 47. The heme group present in hemoglobin is called a a) prosthetic group b) substrate c) cofactor d) none of these

Explanation / Answer

42. B and C denature is a process in which proteins or nucleic acids lose the quaternary, tertiary and secondary structure.

43. B

arrangement of number of protiens or polypeptied

44. C

enzymes are protiens. protien reactions are called enzyme reactions

45.D

fibrous protien of collagen

46.B

regulation of cabohydrate metabolism

47.A

heme is prosthytic group

1.B

X- rays are heist energy rays

2.D

microwaves are higher wave length

3.C

by absorbing IR radiations bond is vibrating

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