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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
$TCA$ cycle enzymes are present in
  • A
    Cytoplasm
  • B
    Inter membrane space of mitochondria
  • ✓
    Mitochondrial matrix
  • D
    Inner membrane of mitochondria
✓

Answer

Correct option: C.
Mitochondrial matrix
c
In eukaryotes, all the reactions of tricarboxylic acid $(TCA)$ cycle or Krebs' cycle takes place in the matrix of mitochondria because all enzymes of this cycle are found in the matrix of mitochondria except Succinic dehydrogenase, which is located in the inner membrane of mitochondria. In prokaryotes, Krebs' cycle occurs in cytoplasm

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