How are the two strands of DNA held together?
Understand the Problem
The question is asking about the interactions that hold the two strands of DNA together. This typically involves concepts such as hydrogen bonding between base pairs and the overall structure of the DNA double helix.
Answer
Hydrogen bonds between nitrogenous base pairs.
The two strands of DNA are held together by hydrogen bonds between the nitrogenous base pairs Adenine-Thymine and Guanine-Cytosine.
Answer for screen readers
The two strands of DNA are held together by hydrogen bonds between the nitrogenous base pairs Adenine-Thymine and Guanine-Cytosine.
More Information
This hydrogen bonding is crucial for the stability of the DNA double helix structure.
Tips
Students often mistake covalent bonds within the DNA strand for the bonds between the strands. Remember, covalent bonds hold the backbone together, while hydrogen bonds hold the two strands together.
Sources
- The web page with info on - Example Source - genome.gov
- The Structure and Function of DNA - Molecular Biology of the Cell - ncbi.nlm.nih.gov
- The two strands of DNA are held together by bonds of - BYJU'S - byjus.com
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