The life span of $mRNA$ in $E. coli$ is:
- ALess than $1$ minute
- B$2$ minutes
- CFive minutes
- DMore than $10$ minutes
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The one-gene-one-enzyme relationship was first established in.....
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$(a)$ Repetitive $DNA$ and Satellite $DNA$
$(b)$ $mRNA$ and $tRNA$
$(c)$ Template strand and Coding strand
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