Which of the following statements are true for catecholamines?(a) They are steroid hormones.(b) They generate second messengers in target cells.(c) They are hormones of fight or flight.(d) They stimulate glycogenesis and gluconeogenesis.(e) They suppress immune responses.

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Which of the following statements are true for catecholamines?
(a) They are steroid hormones.
(b) They generate second messengers in target cells.
(c) They are hormones of fight or flight.
(d) They stimulate glycogenesis and gluconeogenesis.
(e) They suppress immune responses.

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a, e only

b, c, d

b, c only

a, d, e

answer is C.

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Detailed Solution

Catecholamines (adrenaline and noradrenalin) are amino acid derivatives.

Glycogenesis is process in which glycogen is formed. But, catecholamines stimulate glycogenolysis (breakdown of glycogen) and gluconeogenesis (formation of glucose from non carbohydrate sources) which increase blood glucose level.

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