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BACTERIA Flashcards

bacteria are a group of micro-organisms that replicates exponentially 2,4,8,16 etc. they are millionth of a meter), Low 02 environments bacteria get energy : Fermentation, Life began in water :Anaerobic bacteria: protects from UV

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1303269838Cytoplasmic membraneBoundary between the living cell and the environment0
1303269839CytoplasmFluid jelly substance biological reactions take place here1
1303269840DNAHereditary material2
1303269841RibosomesTranslate genes into proteins3
1303269842ATPUniversal energy currency4
1303269843Prokaryotic cellSmall cell No nucleus DNA- circular (one) No organelles A unicellular organism5
1303269844Eukaryotic vellLarge cell Nucleus DNA-Linear (several) Many organelles Does not have a cell wall Mainly multicellular organism (Human)/ Single-celled (Amoeba)6
1303269845gram negative bacteriaa class of bacteria whose peptidoglycan layer of the cell wall is much thinner and therefore stains pink7
1303269846gram positive bacteriaa class of bacteria whose cell wall layer is much thicker and resist penetration by stains , therefore satin purple8
1303269847spiral bacteriait is a spiral shaped aerobic organism. e.g spirochaete which causes syphilis and yaws9
1303269848acid fast bacteriaa type of bacteria that stain with basic dyes and fluorochromes and resist decoloration by acid solutions.10
1303269849cell wall deficient bacteriaa type of bacteria with no cell wall and therefore has many shapes. eg mycoplasm11
1303269850cell wallmaintains the shape of a cell and also prevents it from bursting12
1303269851cell membranesorrounds the cell and it is selectively permeable13
1303269852cytoplasmcontains all the organelles of a cell14
1303269853mesosomegram positive, cellular respiration15
1303269854peptidoglycan layerboth gram negative and positive, gives cell wall structural strength16
1303269855capsuleboth gram negative and positive, protects bacteria17
1303269856inclusion bodyboth gram negative and positive, takes a characteristic stain18
1303269857flagellumboth gram negative and positive, controls the movement of a bacteria19
1303269858surface proteinsgram positive, controls the growth of a cell culture20
1303269859ribosomesboth gram negative and positive, protein synthesis21
1303269860chromosomesboth gram negative and positive, genetic material of a cell22
1303269861piligram negative, allows bacteria to attach to other cells23
1303269862outer membranegram negative, source of lipopolysaccharide24
1303269863porin proteinsgram negative, acts as channels that are specific to different types of molecules25
1303269864periplasmic spacegram negative, a space where enzymes and proteins help digest and move nutrients into cell26

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