MCQ
Okazaki fragments are synthesised on:
- ALeading strands of DNA only
- BLagging strands of DNA only
- CBoth leading and lagging strands of DNA
- DComplementary DNA
Explanation:
Synthesis of leading strand DNA, as the name indicates occurs in an easier and faster way in 5' → 3' direction.
Whereas, lagging strand synthesis lags behind and is done with the help of the production of Okazaki fragments in 5' → 3' direction, which are then joined with the help of ligase. This results in the formation of a continuous strand.
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$I$. Decline in death rate
$II$. Rapid increase in $MMR$ and $IMR$
$III$. Rapid decline in $MMR$ and $IMR$
$IV$. Increase in the number of people, in the reproductive age group
$V$. Rapid increase in the death rate