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  • DNA Structure: Understanding the Sugar-Phosphate Backbone
    The sides of the DNA molecule are made up of alternating sugar (deoxyribose) and phosphate groups.

    Here's a breakdown:

    * Deoxyribose: This is a five-carbon sugar that is a key component of DNA.

    * Phosphate Group: This is a negatively charged molecule that provides the backbone of DNA and helps link the sugar molecules together.

    Think of the sugar and phosphate groups as the "rails" of a ladder, while the rungs of the ladder are made up of the nitrogenous bases.

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