If one strand of $DNA$ has the sequence $ATCGTATG$,the sequence in the complementary strand would be

In $DNA$,the complementary bases are

Which base is present in $RNA$ instead of $Thymine$?

The number of hydrogen bonds between guanine and cytosine; and between adenine and thymine in $DNA$ is

The average energy of each hydrogen bond in $A-T$ pair is $x \, kcal \, mol^{-1}$ and that in $G-C$ pair is $y \, kcal \, mol^{-1}$. Assuming that no other interaction exists between the nucleotides,the approximate energy required in $kcal \, mol^{-1}$ to split the following double stranded $DNA$ into two single strands is:
$A$-$T$-$A$-$T$-$G$-$C$-$A$-$G$
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$T$-$A$-$T$-$A$-$C$-$G$-$T$-$C$

The segment of $DNA$ which acts as the instrumental manual for the synthesis of the protein is