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प्रश्न
Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?
विकल्प
Meselson and Stahl
Erwin Chargaff
Maurice Wilkins
Rosalind Franklin
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उत्तर
Meselson and Stahl
APPEARS IN
संबंधित प्रश्न
If a double stranded DNA has 20 per cent of cytosine, calculate the per cent of adenine in the DNA.
Which property of DNA double helix led Watson and Crick to hypothesise semi-conservative mode of DNA replication? Explain.
Chargaff’s rules are applicable to ______.
In a DNA strand the nucleotides are linked together by ______.
A nucleoside differs from a nucleotide. It lacks the ______.
Both deoxyribose and ribose belong to a class of sugars called ______.
The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix ______.
While analysing the DNA of an organism a total number of 5386 nucleotides were found out of which the proportion of different bases were: Adenine = 29%, Guanine = 17%, Cytosine = 32%, Thymine = 17%. Considering the Chargaff’s rule it can be concluded that ______.
How far is each base pair from the next one in DNA double helix model?
Synthesis of DNA from RNA is explained by ______.
H-bonds between Cytosine and Guanine are ______.
By which bonds the purine and pyrimidine pairs of Complementary Strands of DNA held together?
A peptide chain assumes secondary structure through the formation of ______.
Which of the following is a purine?
Retroviruses do not follow central Dogma. Comment.
A short piece of DNA, having 20 base pairs, was analyzed to find the number of nucleotide bases in each of the polynucleotide strands. Some of the results are shown in the table.
| Number of nucleotide bases | ||||
| Adenine | Cytosine | Guanine | Thymine | |
| Strand 1 | 4 | 4 | ||
| Strand 2 | 5 | |||
How many nucleotides containing Adenine were present in strand 2?
Polymerase chain reaction (PCR) amplifies DNA following the equation.
