Anatomy of of Procaryotic Cells (Bacteria)
Anatomy of of Procaryotic Cells (Bacteria) Microbiology A240
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This 2 page Class Notes was uploaded by Jennifer Notetaker on Wednesday September 14, 2016. The Class Notes belongs to Microbiology A240 at University of Alaska Anchorage taught by Anthony in Fall 2016. Since its upload, it has received 4 views. For similar materials see Introduction to Microbiology for Health Sciences in Biology at University of Alaska Anchorage.
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Date Created: 09/14/16
Anatomy of Procaryotic Cells (Bacteria) Study online at quizlet.com/_2hg5l4 1. Amphitrichous Flagella at both poles of cell 14.Flagella Made from flagellin, semirigid helical 2. Atrichous Bacteria that lack flagella structures, long filamentous appendages that propel bacteria. 3. Cell Membrane Phospholipid Bilayer Filament-hook-basal body 60% proteins, 40% lipid, no sterols, less To propel the cell by rotating from the basal rigid then eukarotic cell. Protects the body cell, selective layer, digestive enzymes 15.G+ Wall-less cell. They can metabolize but cannot make ATP Protoplasts reproduce 4. Cell wall Complex semirigid structure responsible 16.G-L Forms Cells that have lost their walls and have for the shape of the cell. Chemical irregular shapes. Can metabolize and composition is NAG+NAM and reproduce without cell walls. They can also polypeptides. It prevent the bacterial remake their cell walls if needed. cells from rupturing when the water pressure inside the cell is greater than 17.Glycocalyx, Made from polysaccarhids and polypeptides outside the cell. Maintains shape, serves Capsule, and protects from phagocytosis through as an anchor point for flagella, antibiotics Slime Layer virulence and biofilms. Through attachment, act against bacteria bacteria can grow on diverse surfaces, protects from dehydration and its viscosity 5. Characteristics of DNA is not enclosed within membrane,is may inhibit the movement of nutrients out of Procaryotic Cells usually singularly arranged chromosomes the cell. DNA is not associated with hitones Generally lack organelles 18.Gram + Cell Consists of many layers of peptidoglycan Cell walls almost always contain walls contains Teichoic acids (alcohol and peptidoglycan phosphate) They usually divide by binary fission 19.Gram - Cell Thin and easily break, contain fewer layers of 6. Coccobacillli Oval bacilli that closely resemble cocci Walls peptidoglycan and an outer membrane. No Teichoic acids. Has periplasm (contains 7. Cytoplasmic Metachromatic granules are reserve of Inclusions inorganic phosphate that can be used in digestive enzymes) and porin proteins. Outer membrane has negative charge, synthesis of ATP Polysaccharide Granules consist of preventing phagocytosis. Barrier to some antibiotics glycogen and starch 20.G- G- bacterial that nolonger has it's original 8. Cytoplasm Thick aqueous and semitransparent (Prokaryotic) contains nucleoid, ribosomes, and Spheroplasts shape. Cannot reproduce because of damage. Will most likely die because it does not have a reserve deposits called inclusions. MreB, PerM, Cresetin, Ftsz, 80% water. cell wall. Solvent, where all the organells are 21.H Antigen A flagellar protein is useful for distinguishing No cytoplasmic streaming among serovars or variations within a species 9. Diplobacilli Pairs after division of G- bacteria 10.Diplococci Cocci that remain in pairs after dividing 22.Lophotrichous With a tuft of flagella coming from one pole 11.Endospores Sporulation/Sporogenesis: The process 23.Monotrichous Single flagellum at one pole of endospore formation within a 24.Nucleoid Can be spherical, elongated or dumbbell vegetative cell. shaped When in times of depleted essential Holds DNA info, info for all cell structures nutrients it allows the cell to "rest" and 25.Palisading Standing side by side survive until needs for survival can be met. 26.Peritrichous Distributed over the entire cell 12.Extrachromosomal Plasmids: Small usually circular, double 27.Pili Longer than fimbriae and only 1 or 2 per cell. DNA stranded DNA molecules Involved in twitching motility, gliding motility and DNA transfer 13.Fimbriae Occur at the poles of the bacterial cell or 28.Pleomorphic They have many shapes can be evenly distributed over the entire surface . Adhere to each other and to 29.Ribosomes In plasma membrane composed of 2 subunits surfaces 70s of protein and rRNA and performs protein synthesis 30.Sarcinae Division in 3 planes and remain attached in cubelike groups of 8 31. Shapes of Procaryotic Cells Cooci (coccus)-circles Bacilli (Bacillus)-rods Spirilla (spirillum)-corkscrew 32. Spirilla Have helical shape like a corkscrew and fairly rigid bodies 33. Spirochete Spirals are helical and flexible 34. Streptobacilli Occur in chains 35. Streptococci Cocci that divide and remain attached in chain like patterns 36. Strphylococci Division in multiple planes and form grape like clusters or sheets 37. Tetrad Division in 2 planes and remain in groups of 4 38. Vibrios Bacteria that look like curved rods
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