Question

The main difference between DNA and RNA. ​

Answer 1

Refer to the attachment

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Answer 2

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• The chemical structure of RNA is very similar to that of DNA: each nucleotide consists of a nucleobase a ribose sugar, and a phosphate group.

• There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.

• Unlike DNA, most RNA molecules are single-stranded and can adopt very complex three-dimensional structures.