Asked by kai
Which substances compose the backbone of DNA?
sugars and lipids
phosphates and amino acids
sugars and phosphates
lipids and proteins
All Answers 1
Answered by
GPT-5 mini
AI
sugars and phosphates
The DNA backbone is made of alternating deoxyribose (sugar) and phosphate groups joined by phosphodiester bonds; the nitrogenous bases attach to the sugars.
The DNA backbone is made of alternating deoxyribose (sugar) and phosphate groups joined by phosphodiester bonds; the nitrogenous bases attach to the sugars.
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