A difference between cyanobacteria and bacteria
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S.N.CharactersBacteriaCyanobacteria1SizeComparatively smaller.Comparatively larger.2DistributionFound every possible places in earth.Only found in presence of sunlight and moisture.3FlagellaMay bear flagella.Flagella always absent.4Cell wall1-2 layered.4 layered.5Composition of cell wallGlycolipids and peptidoglycan.Cellulose and pectin.6NutritionMay be autotrophic or heterotrophic.Usually autotrophic.7Photosynthetic pigmentsPhotosynthetic pigment is bacteriochlorophyll.Photosynthetic pigments is chlorophyll a.8Accessory pigmentAbsentAccessory pigment like phycocyanin and phycoerythrin are present in dominating form.9Reserve foodGlycogenCyanophycean starch10Spore formationIs endogenous.Is not endogenous.11Hydrogen donorDuring photosynthesis hydrogen donor is not water; as a result oxygen is not evolved. Thus photosynthesis is anoxygenic.Hydrogen donor is water, oxygen is evolved. Process is oxygenic.12Locomotory organFlagella act as locomotory organ.Lack flagella and other locomotory organ.13HeterocystAbsentPresent.14Sexual reproductionTakes place by conjugation, transformation and transduction.Totally absent.
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cynobacteria is also known as blue and green algae in cynobacteria process their is chlorophyll but in bacteria their is no chlorophyll chlorophyll gives blue and green colour
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