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Question
Write the important structural differences between DNA and RNA.
Solution
| DNA | RNA |
| The sugar moiety in DNA molecules is β-D-2 deoxyribose. | The sugar moiety in RNA molecules is β-D-ribose. |
| DNA contains thymine (T). It does not contain uracil (U). | RNA contains uracil (U). It does not contain thymine (T). |
| The helical structure of DNA is double-stranded. | The helical structure of RNA is single-stranded. |
| DNA molecules are very large. | RNA molecules are much smaller. |
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