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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
If a double stranded DNA has 20 per cent of cytosine, calculate the per cent of adenine in the DNA.
One turn of DNA possesses ______.
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 ______.
In a DNA strand the nucleotides are linked together by ______.
The fact that a purine base always paired through hydrogen bonds with a pyrimidine base leads to, in the DNA double helix ______.
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 ______.
By which bonds the purine and pyrimidine pairs of Complementary Strands of DNA held together?
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.
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?
