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Type: Multiple-Choice
Category: DNA, RNA, and Genetics
Level: Grade 10
Author: lia_love13
Last Modified: a year ago

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DNA, RNA, and Genetics Question

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Grade 10 DNA, RNA, and Genetics

What is a double helix?
  1. the structure of the DNA molecule, which is made of two linear strands held together in opposite direction through chemical bonds, and which is twisted into a helix
  2. a nucleotide with an empirical formula of [math]C_10H_16N_5O_13P_3[/math]
  3. a salt of phosphoric acid
  4. none of the above
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