Which of the following DNA sequences would have the highest melting temperature?
ATATATATAT
AGCTAGCTAG
GCATGCATGC
GCGCGCGCGC
Related Questions
DNA is denatured by
Heat
Acid
DNA polymerase
Both (a) and (b)
In a DNA, percentage of thymine is what is the percentage of guanine?
‘It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material’. This is written by
Meselson and Stahl
Archibold Garrod
Severo Ochoa
Watson and Crick
In DNA of certain organisms, guanine constitutes 20% of the bases. What percentage of the bases would be adenine?
0%
0.1
0.2
0.3
In DNA helix presence of hydrogen bonds was first observed by?
Watson
Crick
Pauling
All
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
In a prokaryotic cell, the ratio of is
1
< 1
1
None of these
Which of the following is structural subunit of DNA?
Protein
Carbohydrate
RNA
Nucleotides
The length of DNA having 23 base pairs is
78Å
78.4Å
74.8Å
78.2Å
An analysis of a DNA (double strandard) sample yielded 18% cytosine. What would be the percentage of other bases in this sample?
T- 32%, A-32%, G-18%
T-32%, A-18 %, G-32%
T-18%, A-32%, G-32%
T-40%, A-22%, G-20%
