Difference between Plant, Algal and Bacterial Photosynthesis
Features
|
Plant
& Algal Photosynthesis |
Bacterial
Photosynthesis |
Organisms |
Plant, Algae & Cyanobacteria |
Purple bacteria & Green bacteria |
Oxygen production |
Oxygenic and Aerobic |
Anoxygenic and Anaerobic |
Photosynthetic pigments |
Chlorophylls, Carotenoids and Phycobilins
(400 to 600 nm) |
Bacteriochlorophyll, Bacterioviridin
and Open chain aliphatic Carotenoids (above 700 nm) |
Types of Chlorophyll |
Chlorophyll – a and Chlorophyll – c (only in certain Marine algae) |
Bacteriochlorophyll – a (Green
bacteria) & Bacteriochlorophyll – a or b (Purple bacteria) |
Site of Photosynthesis |
Chloroplast with Thylakoids (Plants
& Algae) and Thylakoids (Cyanobacteria) |
Chromosomes (Green bacteria) and
Chromatophores (Purple bacteria) |
Substance that reduce CO2 |
H2
atoms of H2O |
Sulfur, Sulfur compounds and H2 |
CO2 reductant |
NADPH+
& H+ |
NADH+
& H+ |
Photosynthetic electron donor |
H2O |
H2S |
Photosystem – I (Cyclic phosphorylation) |
Present
|
Present
|
Photosystem – II (Non - cyclic phosphorylation) |
Present
|
Absent
|
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