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प्रश्न
A nucleoside differs from a nucleotide. It lacks the ______.
विकल्प
phosphate group
hydroxyl group
sugar
base
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उत्तर
A nucleoside differs from a nucleotide. It lacks the phosphate group.
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संबंधित प्रश्न
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 ______.
Both deoxyribose and ribose belong to a class of sugars called ______.
Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?
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 ______.
What is the nature of the strands of the DNA duplex?
How far is each base pair from the next one in DNA double helix model?
Synthesis of DNA from RNA is explained by ______.
If 30 percent of an organism’s DNA is thymine, then ______.
H-bonds between Cytosine and Guanine are ______.
DNA is made of two chains that twist about one another in the shape of a ______.
______ occurs in RNA instead of the nitrogenous base thymine found in DNA.
Which ratio is constant for DNA?
Which of the following is a structural subunit of DNA?
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?
