| Hormones are classified in which of the following chemical groups? |
| 1. Polypeptide |
| 2. Steroid |
| 3. Amino-acid derivative Select the correct answer using the codes given below. |
A) 2 and 3
B) 1 and 3
C) Only 2
D) All of these
Correct Answer: D
Solution :
[d] Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions. Hormones are classifed into all the above three groups Polypeptide, Steroid and Amino-acid derivative. Hormones are classified based on their chemical structures. Peptide hormones are chain of amino-acid. Steroid hormones are lipids (fat like molecules) whose structures are derived from cholesterol.
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