Which of the following statements is NOT true | vedclass

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(D) Hormones are non-nutrient chemicals that act as intercellular messengers and are produced in trace amounts. $1$. Hormones are not all proteins; th

Vedclass · Accepted Answer

They act as catalysts.

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(D) Hormones are non-nutrient chemicals that act as intercellular messengers and are produced in trace amounts. $1$. Hormones are not all proteins; they can be steroids,amino acid derivatives,or peptides. $2$. They are secreted in very small quantities. $3$. They regulate various metabolic processes in the body. $4$. Hormones are $NOT$ catalysts. Catalysts (enzymes) speed up chemical reactions without being consumed,whereas hormones act as signaling molecules that regulate physiological functions by binding to specific receptors. Therefore,the statement that they act as catalysts is incorrect.

Column-$I$	Column-$II$
$P$. Peptide, polypeptide, protein hormones	$I$. Epinephrine
$Q$. Steroids	$II$. Thyroid hormones
$R$. Iodothyronines	$III$. Cortisol, testosterone, estradiol, progesterone
$S$. Amino acid derivatives	$IV$. Hormones of pancreas, pituitary, and hypothalamus

Which of the following statements is $NOT$ true for hormones?

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