The statements given below are incorrect. Rewrite the correct statement by changing the underlined words of the statement.
DNA is made up of two nitrogen bases, phosphate and sugar.

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Solution

DNA is made up of four nitrogen bases, phosphate, and sugar.
DNA contains four nitrogen bases - adenine, guanine, cytosine, and thymine.
These nitrogen bases are classified as purines and pyrimidines.
Adenine and thymine are called purines while guanine and cytosine are called pyrimidines.
The oppositely placed nitrogen bases in the two strands of DNA are complementary and linked by hydrogen bonds.

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