F13 8 Taxonomy and Symbiosis Concepts(2)

Dichotomous key nucleus heterotroph cell wall gram

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Unformatted text preview: omous key Nucleus? +/- Heterotroph? +/Cell wall Gram positive? +/Cell morphology bacillus? +/- DICHOTOMOUS KEY IS MORE EFFICIENT THAN BERGEY'S MANUAL LOOK AT BIOCHEMICAL AND PHYSICAL CHARACT USING DICHOT KEY. ALLOWS EXCLUSION OF POSITIVE/NEGATIVE TESTING FOR ORGANISM -STREAMLINES TESTING AND IDENTIFICATION OF ORGANISM Symbiosis Terms & Concepts Microbial Culture & Enrichment BEGGIOTOA AND DESULFO ARE HARD TO GROW ON AGAR, THUS, WE GROW THEM ON ENRICHMENT CULTURE ENRICHMENT CULTURE: ENVIRONMENT WHERE DIFFERENT ORGANISMS ARE GROWING AND YOURE INTERESTED IN ONE; ENCOURAGES THE GROWTH AND INHIBITS THE GROWTH OF OTHERS USE ENRICHMENT CULTURE IF YOURE LOOKING FOR NEEDLE IN A HAYSTACK, FOR EX: FOOD POISONING. Environment: surroundings Ecosystem: community of interacting individuals Population: group of related individuals Niche: resources / conditions of habitat Pure culture vs. Enrichment culture Relationships: Symbiosis and Mutualism SYMBIOSIS: MUTUALISM: ALL ORG. HELPING EACH OTHER 16S SEQUENCE: IF YOU HAVE ORG. THAT C...
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