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Type: Multiple-Choice
Category: DNA, RNA, and Genetics
Level: Grade 11
Author: Kim_Possible
Last Modified: 6 years ago

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DNA, RNA, and Genetics Question

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Grade 11 DNA, RNA, and Genetics

Bases are of two different types of molecules: purines and pyrimides. Purines have                 ring(s) in their structure, and pyrimidines have                 ring(s) in their structure.
  1. 1; 2
  2. 2; 1
  3. 1; 1
  4. 3; 2