Differentiate between a DNA and RNA nucleotide. [1 Mark]

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Solution

DNA Nucleotide RNA Nucleotide

1. Nucleotide present in DNA is deoxyribonucleotide.

2. It has deoxyribose sugar.

3. It can have adenine, thymine, guanine or cytosine as nitrogenous bases.

4. Thymine can be present.

5. Uracil is absent. 1. Nucleotide present in RNA is ribonucleotide.

2. It has ribose sugar.

3. It can have Adenine, Uracil, guanine or cytosine as nitrogenous bases.

4. Thymine is absent.

5. Uracil is present.

Write any two of the above points for 1 mark.


1. Nucleotide present in DNA is deoxyribonucleotide. 2. It has deoxyribose sugar. 3. It can have adenine, thymine, guanine or cytosine as nitrogenous bases. 4. Thymine can be present. 5. Uracil is absent.	1. Nucleotide present in RNA is ribonucleotide. 2. It has ribose sugar. 3. It can have Adenine, Uracil, guanine or cytosine as nitrogenous bases. 4. Thymine is absent. 5. Uracil is present.

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