$DNA$ strands are antiparallel because of the presence of
$H$ -bonds
Peptide bonds
Disulfied bonds
Phosphate-diester bonds
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
Give the historical background of $DNA.$
One turn of the helix in a Bform $DNA$ is approximately
In the $340 A^o$ long $DNA$ strand
Nucleosomes are