Answer:

Bases are present in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).

Bases are present in RNA are adenine (A), uracil (U), cytosine (C), and guanine (G).

Sugars present in Deoxyribonucleic acid (DNA) are deoxyribose Sugar.

Sugars present in ribonucleic acid (RNA) are ribose sugar.

Explanation:

Both Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are called as vehicles of genetic inheritance and found in the nuclei of living cells. They are composed of long strand of nucleotides.

Nitrogen base, five-carbon sugar and a phosphate group combine to form nucleotides. Nucleosides contains only sugar and a base.

Nitrogen bases in DNA are adenine, thymine, cytosine, and guanine. Adenine and guanine are purines. Thymine and cytosine are pyrimidines. The thymine nucleotide not present in RNA, it is replaced by uracil.

The nitrogenous bases always pair up in complementary manner which means purine base pairs with pyrimidine which are held together by weak hydrogen bonds. Uracil, instead of thymine pairs with adenine in RNA. Usually RNA is single-stranded and does not form a double helix as DNA.

The sugar present in the nucleotides makes RNA different from DNA. RNA molecule consists of ribose sugar, thus called as Ribonucleic acid and DNA molecule consists of deoxyribose sugar, thus called as Deoxyribonucleic acid.

Each nucleotide consists of a sugar which is present in between the phosphate group and a nitrogenous base.

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