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PHOTOSYNTHESIS

Blackman: 1920s

Experiment 2

Light Intensity and CO2 Concentration

 

Light Intensity and CO2 Concentration

 

(Note ambient [CO2] = 0.035% or 350 ppm)

Observation

CO2 limits the rate of photosynthesis at high light intensities (C i.e. when light is not a limiting factor.

Conclusion

Carbon fixation takes place in the Light Independent Reaction
It is an enzyme controlled process

 

 

 

 

 

 

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© Paul Billiet 2012