2_prokaryotes - 1 BIO 1140 TOPIC 2 - SLIDE 1 TOPIC 2 TOPIC...

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Unformatted text preview: 1 BIO 1140 TOPIC 2 - SLIDE 1 TOPIC 2 TOPIC 2 PROKARYOTES, VIRUSES, VIROIDS AND PRIONS PROKARYOTES, VIRUSES, VIROIDS AND PRIONS PROKARYOTES Diversity Structures VIRUSES What are viruses Basic structure VIROIDS What are viroids Basic structure PRIONS What are prions Basic structure BIO 1140 TOPIC 2 - SLIDE 2 PROKARYOTIC DIVERSITY PROKARYOTIC DIVERSITY ARCHAEBACTERIA ( archaea or ancient bacteria) METHANOGENS (CO 2 & H 2 = CH 4 ) HALOPHILES (very salty conditions, 5.5 M NaCl) ACIDOPHILES (pH 0.1) THERMOPHILES (+ 113C; Pyrolobus fumarii ) EUBACTERIA (true bacteria) mycoplasm (smallest living organisms 0.2M) cyanobacteria (blue-green algae) BIO 1140 TOPIC 2 - SLIDE 3 PROKARYOTIC CELL STRUCTURES PROKARYOTIC CELL STRUCTURES CELL WALL CELL MEMBRANE CYTOPLASM RIBOSOMES NUCLEOID 2 BIO 1140 TOPIC 2 - SLIDE 4 VIRUSES VIRUSES THE ULTIMATE PARASITES THE ULTIMATE PARASITES Numerous viruses cause diseases: Common cold...
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2_prokaryotes - 1 BIO 1140 TOPIC 2 - SLIDE 1 TOPIC 2 TOPIC...

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