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Type: Multiple-Choice
Category: DNA, RNA, and Genetics
Level: Grade 9
Author: bduen1375
Last Modified: 7 years ago

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DNA, RNA, and Genetics Question

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Grade 9 DNA, RNA, and Genetics

The mRNA coding regions of most genes are interrupted by
  1. exons.
  2. introns.
  3. operons.
  4. proteins.