The association of histone $H_1$ with a nucleosome indicates that
$DNA$ replication is occurring
the $DNA$ is condensed into a chromatin fibre
the $DNA$ double helix is exposed
transcription is occurring.
It is absent in $RNA$.
Uridine monophosphate is found in
Histones are rich in the basic amino acid ...............and........
One turn of the helix in a Bform $DNA$ is approximately
What background information did Watson and Crick have made available for developing a model of $DNA$ ? What was their contribution ?