If a double stranded DNA has $20\; \%$ of cytosine, what will be the percentage of adenine in it?
$20\; \%$
$40\; \%$
$30\; \%$
$60\; \%$
Given below are two statements:
Statement $I$: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.
Statement $II$: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.
In the light of the above statements, choose the correct answer from the options given below:
Genes are chemically
Genetically active area of chromosome is called
The reason for double helical structure of $DNA$ is operation of
$DNA$ strands are antiparallel because of the presence of