Which is correct about nucleic acid?
DNA
RNA
DNA and RNA
spherosomes
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
Mineral associated with cytochrome is ________________.
Cu
Mg
Fe and Mg
Fe and Cu
In double helix of DNA, the two DNA strands are ______________.
coiled around a common axis
coiled around each other
coiled differently
coiled over protein sheath
Amino acids are produced from _________________.
proteins
fatty acids
essential oils
α - keto acids
Living cell contains 60 - 75% water. Water present in human body is ________________.
60 - 65%
50 - 55%
75 - 80%
65 - 70%
A polysaccharide, which is synthesized and stored in liver cells, is _____________.
peptide bond
covalent bond
hydrogen bond
phosphodiester bond
A segment of DNA has 120 adenine and 120 cytosine bases. The total number of nucleotides present in the segment is _________________.
120
240
60
480
The basic unit of nucleic acid is ______________.
purine, pyrimidine and phosphate
purine, sugar and phosphate
nitrogen base, sugar and phosphate
pyrimidine, sugar and phosphate
A nucleotide is formed of ________________.
pentose sugar
nucleoid
nucleoside
nucleotide
