4. The carboxylase enzyme is Rubisco.
5. Single CO2 fixation.
6. CO2 fixation is slow and less efficient.
7. Fixation of 1 molecule of CO2 requires 3 ATP and 2 NADH.
8. Only granal type of chloroplasts are involved.
9. Kranz anatomy is absent.
10. Cannot operate under very low CO2 concentration.
11. Oxygen has inhibitory effect of photosynthesis.
12. Sunlight reaches saturation point.
13. Occurs in plants like Mango, apple etc