1. Sugar: RNA uses ribose as its sugar, while DNA uses deoxyribose. Ribose has an extra hydroxyl group (-OH) compared to deoxyribose. This difference makes RNA more reactive and less stable than DNA.
2. Base: RNA contains the base uracil (U) instead of thymine (T) found in DNA. Uracil pairs with adenine (A) just like thymine does.
Let me know if you'd like more details on these differences or other structural aspects of RNA and DNA!
