All are amino acid derivatives except:
Correct answer: B. Aldosterone
- A. Thyroxin
- B. Aldosterone
- C. Epinephrine
- D. Nor-adrenaline
Explanation
Aldosterone is a steroid hormone that is produced by the adrenal cortex, the outer layer of the adrenal glands. It is a mineralocorticoid, which means that it helps to regulate the balance of sodium and potassium in the body. Aldosterone also plays a role in blood pressure regulation. Amino acid-derived hormones are typically named with the suffix "-ine". This is in contrast to steroid hormones, which are typically named with the suffix "-ol" or "-one".
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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