What components make up the backbone of a DNA molecule?

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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).

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