carotenoids

Purple Phototrophic Bacteria

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These bacteria carry out an-oxygenic photosynthesis. Thus, unlike the cyanobacteria oxygen is not released by these groups. These bacteria are a morphologically diverse group and their classification has been established along phylogenetic, morphological and physiological lines. Different genera fall within the Alpha-, Beta-, or Gammaproteobacteria. Bacteriochlorophylls and carotenoid pigments are present on them. Due to … Read more

Comparison of various classes of algae

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       Chlorophyceae    Phaeophyceae      Rhodophyceae Commonly known as green algae. Commonly known as brown algae. Commonly known as red algae. Mostly found in aquatic habitats. Mostly marine. Mostly found in warm marine water. A few are terrestrial or marine. Only a few are found in fresh water. A few are found … Read more