In the C4 pathway, malic acid is formed in the mesophyll cells, then transported to the bundle sheath cells, where it is decarboxylated to release CO2 for the Calvin cycle. Pyruvic acid, produced during this process, returns to the mesophyll cells to regenerate phosphoenolpyruvate (PEP), ensuring continuous carbon fixation.
LIST I (Photoperiodism) | LIST II (Explanation) |
---|---|
A. Short Day Plants (SDP) | I. Dark period period of 14-16 hours |
B. PR | II. Absorbs light at 730-735nm |
C. Long Day Plants (LDP) | III. Daylight of about 14-16 hours |
D. PFR | IV. Absorbs light at 660-665nm |