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Type: Multiple-Choice
Category: Macromolecules
Level: Grade 9
Author: xoxobrieanna
Last Modified: 2 months ago

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Macromolecules Question

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Grade 9 Macromolecules

What makes up the backbone of the DNA chain?
  1. RNA
  2. nucleotides
  3. phosphate groups and sugars
  4. hydrogen bonds and nitrogenous bases
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