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

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DNA, RNA, and Genetics Question

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Grade 9 DNA, RNA, and Genetics

In the lac operon system, the binding of RNA polymerase is inhibited by the presence of the
  1. y gene.
  2. repressor.
  3. inducer.
  4. promoters.