What components make up the backbone of a DNA molecule?
Understand the Problem
The question is asking what components make up the backbone of a DNA molecule. The options provided suggest a choice between different components related to DNA structure, primarily focusing on sugars and phosphate groups.
Answer
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 structured as an alternating pattern of deoxyribose sugar and phosphate groups, connected by phosphodiester bonds.
Tips
A common mistake is confusing nitrogenous bases like purines and pyrimidines, which pair in the middle of the DNA, with the structural backbone components.
Sources
- Understanding the DNA Backbone - Varsity Tutors - varsitytutors.com
- Phosphate Backbone - National Human Genome Research Institute - genome.gov
- What forms the backbone of the DNA molecule? - Socratic - socratic.org
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