Related Questions
In a DNA molecule, the adenine is 15%. What will be the percentage of guanine in this DNA?
15%
35%
70%
30%
Double helix model for the structure of DNA was proposed by?
Watson and Crick
Wilkins and Franklin
Crick and Wilkins
Franklin and Watson
Antiparallel strands of a DNA molecule means that
One strand turns anti-clockwise
The phosphate groups of two DNA strands at their ends, share the same position
The phosphate groups at the start of two DNA strands are in opposite position(pole)
One strand turns clockwise
The double helical molecular model of DNA was given by Watson and Crick. But ‘DNA’in a crystallized form
Hershey and Chase
Wilkins and Franklin
Griffith
Avery et. Al
In a DNA segment having six coils, there are 22 nitrogen base pair linked by two hydrogen bonds. How many cytosine bases are found in that segment?
22
38
19
60
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
If the distance between two consecutive base pairs is and the total number of base pairs of a DNA double helix in a typical mammalian cell is then the length of the DNA is approximately
meters
meters
meters
meters
Read the following statements
In a dsB-DNA, the rise per base pair would be 34 A, while pitch of DNA would be 3.4 A.
Blood concentration of glucose in a normal healthy individual is 4.2 to 6.1 mmol/L.
The difference in average energy content of substrate from that of stable transition state is called activation energy.
Haem is the prosthetic group and is a part of the active site of catalase.
How many of the given statements are correct?
1
2
3
4
Number of carbons in ring of deoxyribose sugar is
4
5
3
6
