Biomolecules Question 4
4. Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these
[2005]
(a) help in regulating metabolism
(b) are exclusively synthesized in the body of a living organism as at present
(c) are conjugated proteins
(d) enhance oxidative metabolism
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Answer : a
Hints & Solutions
(a) The major life processes are controlled by enzymes as they enhance the rate of biological reactions. Vitamins are required in limited amounts by organisms for regulation of metabolism and growth. Hormones are organic compounds produced by certain organs in small quantities. They act physiologically far from their site of origin.
