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Write the main structural difference be...

Write the main structural difference between DNA and RNA. Of the two bases, thymine and uracil, which one is present in DNA ?

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DNA is a long polymer with a deoxyribose and phosphate backbone and four different bases : adenine, guanine, cytocine and thymine RNA is a polymer with a ribose and phosphate backbone and four different bases, adenine, guanine , cytosine and uracil. DNA has double helical structural and RNA has single helical structural. Thymine is persent is DNA.
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