$DNA$ is double helix and
Complementary and parallel
Complementary and antiparallel
Without super coils
Always circular
One turn of the helix in a Bform $DNA$ is approximately
The term 'Nuclein' for the genetic material was used by
What background information did Watson and Crick have made available for developing a model of $DNA$ ? What was their contribution ?
$NHC$ structural proteins are
What are the structures called that give an appearance as ‘beadsonstring’ in the chromosomes when viewed under electron microscope?