The genetic material of $\phi \times 174$ is

In a structural gene,the template $DNA$ strand has the nucleotide sequence $3'-ATGCATGCATGCATGC-5'$. Find the correct and complementary nucleotide sequence on the coding strand.

Watson and Crick are known for their discovery that $DNA$

Distinguish between: Repetitive $DNA$ and Satellite $DNA$.

Thirty percent of the bases in a sample of $DNA$ extracted from eukaryotic cells is adenine. What percentage of cytosine is present in this $DNA$ (in $\%$)?

In $DNA$,$20 \%$ of the bases are adenine. What percentage of bases are pyrimidines (in $\%$)?