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#Question id: 10806


HCN is a fast-acting toxin that inhibits

#Unit 6. System Physiology – Plant
  1. NADH dehydrogenase, an enzyme of mitochondrila respiration
  2. Iron-containing cytochrome oxidase, a key enzyme of mitochondrial respiration
  3. inhibits Q-cycle
  4. complex I of mitochondrial respiration

Answer:- Option(s): 2


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