Reproductive Health — BIOLOGY STD 12 Science — Question

$5'AATTCAAATTAGG3'$

What is the sequence of $mRNA$ ?

$(a)$ Euchromatin is loosely packed chromatin

$(b)$ Heterochromatin is transcriptionally active

$(c)$ Histone octomer is wrapped by negatively charged DNA in nucleosome

$(d)$ Histones are rich in lysine and arginine

$(e)$ A typical nucleosome contains $400\,bp$ of DNA helix

Choose the correct answer from the options given below:

$I.$ Burning of wood

$II.$ Volcanic activity

$III.$ Combustion of organic matter

$IV.$ Fossil fuels

Choose the correct option

$I.$ Sucrose

$II.$ Inorganic Salts

$III.$ Amino acids

$IV.$ Vitamins