I. ACTH II. GH III. MSH IV. FSH V. LH VI. Oxytocin Which of the above hormones are polypeptide or proteinaceous in nature? Choose the correct option |
|
a) |
I, II, III and IV |
b) |
III, IV, V and VI |
c) |
III, IV, V and VI |
d) |
I, II, III and VI |
I. ACTH II. GH III. MSH IV. FSH V. LH VI. Oxytocin Which of the above hormones are polypeptide or proteinaceous in nature? Choose the correct option |
|
a) |
I, II, III and IV |
b) |
III, IV, V and VI |
c) |
III, IV, V and VI |
d) |
I, II, III and VI |
(d)
I, II, III and IV.
Biochemical classification of hormones
Chemical Nature |
Origin |
Examples |
1. Biogenic amines or amino acid derivatives |
Derival from tyrosine |
Thyroxine, adrenaline, noradrenalin-e and melatonin |
2. Proteinaceou-s or polypeptide |
Chains of amino acid |
Hypothalamic hormones, ACTH, GH, vasopressin, oxytocin, parathormon-e, calcitonin, MSH, etc. |
3. Glycoprotein-aceous |
Protein + carbohydrates |
Thyrotropin, FSH, LH |
4. Steroid |
Derived from choleste-rol |
Sex hormone and adrenocortic-oids |