MCQ
The complete oxidation of pyruvate take place in:
- ACell cytoplasm.
- BInner mitochondrial membrane.
- ✓Mitochondrial matrix.
- DNucleus.
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$R$ : Fibres are absent in secondary phloem.
$I.$ hypodermis $II.$ cortical layer
$III.$ pericycle $IV.$ endodermis $V.$ epidermis