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प्रश्न
Long answer question.
Enlist the point of differences among DNA and RNA.
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उत्तर
- DNA:
- It is the genetic material of the majority of the organisms.
- It is double-stranded.
- Deoxyribose sugar is present.
- Nitrogen bases like Adenine, Guanine, Cytosine, Thymine are present.
- Specific base pairing is observed.
- Total number of purines is equal to the total number of pyrimidine. Thus, the purine to pyrimidine ratio is 1:1.
- It is present in the nucleus.
- It is responsible for determining hereditary characters and for formation of RNA.
- RNA:
- It is a genetic material only of some viruses.
- It is single-stranded.
- Ribose sugar is present.
- Nitrogen bases like Adenine, Guanine, Cytosine, Uracil are present.
- Nitrogen bases do not form pairs.
- The amount of purine and pyrimidine may or may not be equal.
- It is present in the nucleus and cytoplasm.
- It takes part in protein synthesis.
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