Which of the following interfere with normal collagen formation or cross-linking? A. Beta-aminopropionitrile. B. Iron chelators. C. Vitamin C depletion. D. Proline analogs (e.g., cis-hydroxyproline). E. D-Penicillamine. Last Answer : Answer: ABCDE DISCUSSION: Intramolecular and intermolecular cross-links are crucial for collagen structural stability. Formation of cross-links can be inhibited by two ... concentration, proline analogs prevent collagen formation with minimal effects on noncollagenase protein synthesis...
Vitamin for the formation of collagen fibres, teeth, bone, R.B.C. is (a) Vit. K (b) Vit. D (c) Vit. A (d) Vit. C Last Answer : (d) Vit. C...
A deficiency of copper effects the formation of normal collagen by reducing the activity of which of the following enzyme? (A) Prolyl hydroxylase (B) Lysyl oxidase (C) Lysyl hydroxylase (D) Glucosyl transferase Last Answer : Answer : B...
Ascorbic acid is required to synthesise all of the following except (A) Collagen (B) Bile acids (C) Bile pigments (D) Epinephrine Last Answer : Answer : C...
Vitamin A is required for the formation of a light receptor protein known as (A) Globulin (B) Lypoprotein (C) Chomoprotein (D) Rhodospin Last Answer : Answer : D...
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