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STD 11 - 12. Respiration in plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 12. Respiration in plants1 Mark
MCQ
Link enzyme in cellular respiration is
  • A
    Citrate synthetase
  • ✓
    Pyruvate Dehydrogenase
  • C
    Isocitrate Dehydrogenase
  • D
    Succinyl thiokinase
✓

Answer

Correct option: B.
Pyruvate Dehydrogenase
b
Pyruvic acid synthesized in glycolysis must enter inside the mitochondnia, where oxidative Decarboxylation occurs in presence of NAD $^{+}$, pyruvic acid Dehydrogenase complex and coenzyme- $A$.

Pyruvic acid $+ NA D^{+i i}+ Co - A + Co -A^{\text {Acetyl } Co - A }+ CO _{2}+ NADH$

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