The nitrogenous organic base purine occurring in RNA is _____________.
cytosine
thymine
guanine
uracil
A polysaccharide, which is synthesized and stored in liver cells, is ______________.
Lactose
galactose
arabinose
glycogen
Mineral associated with cytochrome is ________________.
Cu
Mg
Fe and Mg
Fe and Cu
A nucleotide is formed of ________________.
pentose sugar
nucleoid
nucleoside
nucleotide
The basic unit of nucleic acid is ______________.
purine, pyrimidine and phosphate
purine, sugar and phosphate
nitrogen base, sugar and phosphate
pyrimidine, sugar and phosphate
Glycogen is a polymer of ________________.
glucose
fructose
sucrose
Adenine is ________________.
purine
pyrimidine
In RNA, thymine is replaced by ____________.
adenine
In which one of the following groups, all the three are example of polysaccharides?
starch, glycogen, cellulose
sucrose, maltose, glucose
glucose, fructose, lactose
Galactose, starch, sucrose
Which is wrong about nucleic acids?
DNA is single stranded in some viruses
RNA is single stranded occasionally
Length of one helix is 45 Å in B -DNA
One turn of Z - DNA has 12 bases
