Category: Botany 12
Dinoflagellates Dinoflagellates are golden brown photosynthetic protists, belonging to class Dinophyceae (Pyrrophyta). They are mainly marine, though few are fresh water forms. They may appear red, yellow, green, brown …
Diatoms Diatoms are golden brown photosynthetic protists and are called Chrysophytes (including both diatoms and desmids). They are both and terrestrial. Some are marine. They support much of marine …
KINGDOM : PROTISTA All unicellular eukaryotes, irrespective of their mode of nutrition, are included in the kingdom Protista in Whittaker’s system. The term protista was coined by Ernst Haeckel. …
EXERCISE Archaebacteria do not show Peptidoglycan and D- amino acids in cell wall Introns in DNA Branched chain lipids in cell membrane Ribosomal proteins with highly acidic nature Methanogens …
Actinomycetes (Ray Fungi) 1) These are branched, filamentous bacteria and are considered as intermediate form between bacteria and fungi, e.g., Nocardia, Mycobacterium, Corynebacterium, Frankia, Streptomyces. 2) These filaments from …
Archaebacteria They are believed to have evolved immediately after the origin of life on earth, as even now these are living under extremely adverse condition such as extreme salty …
Mycoplasma 1. Nocard and E.R. Roux (1898)- two French Scientists, discovered these organisms from pleural fluid of cattles suffering from pleuropneumonia. These are pleomorphic and were called PPLO (Pleuropneumonia …
Cyanobacteria Cyanobacteria are Gram negative photosynthetic prokaryotes, being the most primitive organisms to have oxygenic photosynthesis. They added oxygen to the atmosphere, which is indispensible for the existence of …
