Distinguish between heterochromatin and euchromatin. Which of the two is transcription-ally active ?
Euchromatin : $(i)$ Loosely packed $(ii)$ Stains light $(iii)$ Transcriptionally active
Heterochromatin : $(i)$ Densely Packed $(ii)$ Stains dark $(iii)$ Transcriptionally inactive
Cytidine is a
Nucleosomes are
Histones are rich in the basic amino acid ...............and........
If the length of a $DNA$ molecule is $1.1$ metres, what will be the approximate number of base pairs?
The chemical nature of chromosome is as follows