The modern concept of gene is
A segment of $DNA$ capable of crossing over
A functional unit of $DNA$
A segment of $DNA$
A segment of chromosome
$DNA$ is not directly involved with the synthesis of the following
Which of the following are all Nucleotides
$DNA$ polymerase links nucleotide by forming which type of bond:
Thirty percent of the bases in a sample of $DNA$ extracted from eukaryotic cells is adenine. What percentage of cytosine is present in this $DNA$ ?
Histones are rich in the basic amino acid ...............and........