Nucleotide consists of
Phosphate only
Phosphate and sugar only
Phosphate, sugar and nitrogen base
Phosphate and nitrogen base only
Related Questions
If the total number of base pairs in a human DNA is bp and each base pair extends for nm, what would be the approximate length of the DNA if it were stretched out?
2.2 m
0.22 m
22 m
220 m
The following ratio is generally constant for a given species
A+G/C+T
T+C/G+A
G+C/A+T
A+C/T+G
Out of A-T, G-C pairing, bases of DNA may exist in alternate valency state owing to arrangements called
Tautomerisational mutation
Analogue substitution
Point mutation
Frameshift mutation
Number of base pairs of DNA helix in a typical nucleosome?
200
100
500
2000
A DNA molecule stretches 2.2 meters. Approximately how many base pairs constitute this DNA molecule?
6.5 x 106
3.2 x 109
6.5 x 109
1.1 x 109
Which one of the following is not applicable to RNA?
Chargaff’s rule
Complementary base pairing
5’ phosphoryl and 3’ hydroxyl ends
Heterocyclic nitrogenous bases
If a DNA molecule contains 22% Thymine, what is the percentage of Guanine?
22%
28%
30%
44%
The human genome contains approximately base pairs per haploid set. If the distance between two consecutive base pairs is nm, calculate the approximate length of DNA in a diploid human cell.
2.0 m
1.0 m
4.0 m
0.5 m
The human genome is approximately 3 billion base pairs long. If the average distance between base pairs is 0.34 nm, what is the approximate length of the human genome in meters?
1.02 meters
0.34 meters
3.34 meters
2.04 meters
A molecule that can act as a genetic material must fulfill the traits given, except
it should provide the scope for slow changes that are required for evolution
it should be able to express itself in the form of ‘Mendelian characters’
it should be able to generate its replica
it should be unstable structurally and chemically
