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Bundle sheath cells
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- Are rich in RUBISCO
- Are rich in PEP carboxylase
- Lack RUBISCO
- Lack both RUBISCO and PEP carboxylase
Correct Option: A
In C4 plants, bundle sheath cells are rich in RUBISCO, but lack PEPcase. The CO2 released in the bundle sheath cells enters the C3 or the Calvin pathway, common to all plants. Thus, the basic pathway that results in the formation of sugars, the calvin pathway is common to the C3 and C4 plants.
