RNA does not contain
thymine
adenine
guanine
uracil
A.
thymine
RNA contains cytosine and uracil as pyrimidine bases and guanine and adenine as purine bases.
The helical structure of proteins is stabilised by
peptide bonds
dipeptide bond
hydrogen bond
van der Waal's forces
Lactose sugar is formed from
d-galactose
d-glucose
d-galactose and d-glucose
d-glucose and d-fructose