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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 9
Author: JVance
Last Modified: 6 years ago

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Respiration, Digestion, and Excretion Question

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Grade 9 Respiration, Digestion, and Excretion

Chemical reactions in the liver are catalyzed by
  1. enzymes.
  2. nephrons.
  3. nucleic acids.
  4. ribosomes.