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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 ______.
If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it?
In some viruses, RNA is present instead of DNA indicating that ______.
A nucleoside differs from a nucleotide. It lacks the ______.
Protein helping in opening of DNA double helix in front of replications fork is ______.
How far is each base pair from the next one in DNA double helix model?
If 30 percent of an organism’s DNA is thymine, then ______.
H-bonds between Cytosine and Guanine are ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
A peptide chain assumes secondary structure through the formation of ______.
In the polynucleotide chain of DNA, a nitrogenous base is linked to the -OH of ______
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?
What is the smallest part of a DNA molecule that can be changed by a point mutation?
