$DNA$ strands are antiparallel because of the presence of
$H$ -bonds
Peptide bonds
Disulfied bonds
Phosphate-diester bonds
Which of the following statements is correct$?$
In a given $DNA$ segment the number of nucleotides of guanine is $75$ and those of thymine is $75$. The total number of nucleotides in the segment will be
Nucleosomes are bounded by
What are the structures called that give an appearance as ‘beadsonstring’ in the chromosomes when viewed under electron microscope?
Nucleotides are linked by