MCQ
Termination of gastrulation is indicated by:
- ✓Obliteration of blastocoel.
- BObliteration of archenteron.
- CClosure of blastopore.
- DClosure of neural tube.
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$i.$ In transcription, adenosine pairs with uracil.
$ii.$ Regulation of lac operon by repressor is referred to as positive regulation.
$iii.$ The human genome has approximately $50,000\; genes.$
$iv. $ Haemophilia is a sex-linked recessive disease.
$I.$ Ethidium bromide
$II.$ Restriction endonuclease
$III.$ Agarose
$IV.$ $UV$ radiation
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