MCQ
Mark the odd one (w.r.t. true breeding line)
- AShows the stable trait inheritance
- ✓Shows expression for few generations only
- CUndergone continuous self-pollination
- DBoth $(a)\;\&\; (c)$
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$Y$ - The diversity of plants and animals is not uniform throughout the world but show a rather uneven distribution.
$Z$ - Species - area relationships was given by Alexander Von Humboldt.
$X -Y -Z$
$I.$ 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?
Reason : Hormones released by them affect sperm motility.