MCQ
Ovulation in mammals is caused by
- A$FSH$ and $TSH$
- ✓$FSH$ and $LH$
- C$FSH$ and $LTH$
- D$LTH$ and $LH$
Its follicular cells secrete estrogen.
Rising level of estrogen decreases production of $FSH$ and stimulates secretion of $LH$.
The two cause the mature graafian follicle to rise to the ovarian surface and burst open releasing ovum.
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$I.$ Human insulin is made-up of $51$ amino acidsarranged in two polyperptide chains.
$II.$ The two polypeptide chains are interconnected by two disulphide bridges.
$III.$ In mammals including humans, insulin is synthesised as a pro-hormone, which contains an extra stretch called the $C$ -peptide.
$IV.$ $C$ -peptide is not present in the mature insulin
Which of the statements given above are correct?
in the following sequence