Question

List three differences between DNA and RNA.

   List three differences between DNA and RNA.

Must Know High School Biology

Must Know High School Biology

Kellie Ploeger Cox 1st Edition

Chapter 3, Problem 4

Instant Answer

Solved by Expert Khalida Dawar

03/28/2023

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Structure: DNA is a double-stranded molecule, while RNA is single-stranded. Show more…

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List three differences between DNA and RNA.

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Key Concepts

Structural Configuration

DNA typically exists as a double-stranded helix, which provides stability and allows for accurate replication, while RNA is generally single-stranded, allowing it greater structural flexibility to adopt various shapes needed for its diverse roles in the cell.

Sugar Component

The backbone of DNA contains deoxyribose, a sugar that lacks an oxygen atom at the 2' position, making DNA more chemically stable. In contrast, RNA contains ribose, which has a hydroxyl group at the 2' carbon, contributing to RNA's reactivity and relative instability.

Nitrogenous Bases

DNA uses thymine as one of its bases, which pairs with adenine, whereas RNA uses uracil instead of thymine. This substitution not only contributes to differences in molecular recognition and structure but also plays a role in their distinct biological functions.

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