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Kinetoplastieds

Kinetoplastieds - K inetoplastieds Single large...

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Kinetoplastieds - Single, large mitochondrion containing an organized mass of DNA called a kinetoplast - Parasite Trypanosoma 1. Causes African sleeping sickness Euglenids - Have one of two flagella that emerge from a pocket at one end of the cell - Some species are mixotrophic Concept 28.3: Chromalveolates may have originated by secondary endosymbiosis Dinoflagellates - Alveolate - Diverse group of aquatic photoautotrophs and mixotrophs - Abundant components of marine & freshwater phytoplankton - Two flagella make them spin as they move through the water - Cellulose plates - “red tides” and Bioluminescent Apicomplexans - Alveolate - Parasites of animals, some casue human diseases 1. E.g. Plasmodium causes malaria - Apex contains a complex of organelles for penetrating host red blood cells - Apicoplast- nonphotosynthetic plasmid Ciliates - Alveolate - Named for their use of cilia to move and feed - Have two nuclei 1. Macronucleus: controls everyday functions 2. Micronucleus: used in conjugation Bacillariophyta: Diatoms - Stramenopile - Unicellular algae (photoautotrophs) - Silica test - Major component of the phytoplankton
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