Chemical Coordination and Regulation Question 83
83. Chemically hormones are
[2004]
(a) biogenic amines only
(b) proteins, steroids and biogenic amines
(c) proteins only
(d) steroids only
Show Answer
Answer : b
Hints & Solutions
(b) Hormones are chemical messengers formed by endocrine cells. Chemically hormones are of the following types: Aminescomposed of amino group e.g., Melatonin. Amino acids $\quad-$ eg. thyroxine Peptides $\quad-$ eg. insulin Steroids $\quad-$ eg. aldosterone
