The number of species should increase with increasing island size. This is also known as the species-area hypothesis.

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#Unit 6. System Physiology – Plant

The biphasic C4 system reduces photorespiration dramatically by increasing levels of CO2 near Rubisco to enable Rubisco carboxylation to outcompete the oxygenation reaction. 

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#Unit 6. System Physiology – Plant

The low photosystem II activity in the bundle sheath also minimizes the Rubisco oxygenation reaction.

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#Unit 6. System Physiology – Plant

In Crassulacean acid metabolism (CAM), CO2 uptake is separated temporally and its solely depends on PEPCase circadian modification

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#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 9254

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 9255

#Unit 6. System Physiology – Plant

In CAM plants, Nocturnal phosphorylation of PEPCase controls primary carboxylation. PEPCase‐kinase transcripts accumulate during the night, controlled by the circadian oscillator and metabolites.