What components make up the backbone of a DNA molecule?
Understand the Problem
The question is asking which components constitute the backbone of a DNA molecule, presenting several options for consideration.
Answer
H: Deoxyribose and phosphate groups
The final answer is H: Deoxyribose and phosphate groups
Answer for screen readers
The final answer is H: Deoxyribose and phosphate groups
More Information
The DNA backbone is made of alternating sugar (deoxyribose) and phosphate molecules. This structural formation supports the entire DNA double helix.
Tips
Do not confuse the backbone (sugar-phosphate) with the nitrogenous bases (purines and pyrimidines).
Sources
- Understanding the DNA backbone - Varsity Tutors - varsitytutors.com
- What forms the backbone of the DNA molecule? - Socratic - socratic.org
- Phosphate Backbone - National Human Genome Research Institute - genome.gov
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