Information flow or central dogma of modern biology is
$RNA - - Proteins - -> DNA$
$\mathrm{DNA} \rightarrow \mathrm{RNA}->\mathrm{RNA}$
$RNA - - $>$ DNA - - Proteins$
$DNA - - RNA - $>$ Proteins$
Genes are chemically
A single stranded $DNA $ molecule is the genetic material of bacteriophage
Genetically active area of chromosome is called
Explain the role of scientist :
$1.$ Friedrich Miescher $1869$
$2.$ Maurice wilkins and Rosalind Franklin
Definitions/Explanation : Histone octomer & Euchromatin