Outline three ways in which photosynthesis in purple sulphur bacteria differs from that of higher plants

Outline three ways in which photosynthesis in purple sulphur bacteria differs from that of higher plants

Outline three ways in which photosynthesis in purple sulphur bacteria differs from that of higher plants.

Purple sulphur bacteria Higher plants
Source of hydrogen (reducing power) is hydrogen sulphide. Source of hydrogen (reducing power) is water
Produce solid globules of sulphur as bi-product. Do not produce any solid bi-product

 

Do not give off oxygen during photosynthesis Give off oxygen during photosynthesis

 

Use bacteriochlorophyll as the pigment Use chlorophyll as the pigment

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