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10 Protozoa SF10 - Microbiology 101 GENERAL MICROBIOLOGY...

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Microbiology 101 GENERAL MICROBIOLOGY September 29, 2010 Protista Algae Protozoa
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Nucleus-- >(Eukaryon = Greek: Karyon = ‘kernal’ or ‘nut’) DNA with histone proteins/Diploid/Haploid Gametes/Zygote--> new genetic combinations Algae:
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Kingdom Protista: subkingdom Protozoa (Greek: protos = first/zoion = animals) Morphology of protozoa Eucaryotic cells (similar to algae, but lack chloroplasts) Cell membrane Outer envelope-->Test/pellicle Contractile vacuole->osmoregulation Nucleus: Macronucleus/Micronucleus Trophozoite (‘trophs’)/Cyst Motility: Flagella/Cilia/Pseudopodia Traditionally four groups: Mastigophora, Sarcodina, Ciliophora & Sporozoa
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Sarcodina (Greek: sarkos = flesh) Grouped by type of pseudopod and presence of a test Amoeba proteus Entamoeba histolytica : Trophs/cysts Arcella sp Foraminifera Radiolarians (class Actinopodea/order Radiolarida) Heliozoans (class Actinopodea/order Heliozoida) Actinosphaerium sp.
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Amoeba proteus Sarcodina
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Amoeba sp cell dividing Sarcodina
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Sarcodina
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Arcella sp Difflugia sp Sarcodina
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Foraminifera Sarcodina
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Heliozoan with axopodia Radiolarians Sarcodina
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Axopodium 9 + 2 Sarcodina
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