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Why would aquatic microbes need maximal surface area?
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- cell number This bacterium can be classified as a: hyperthermophile psychrophile thermophile mesophile 4ºC 44°C Time 37ºC 22ºCSulfur Indole Motility (SIM) Medium H2S produced, color and +/-: ______________________________ Indole present/Tryptophan hydrolysis, color and +/-: ___________________________ Motile or non-motile: _____________________________Microorganism: Dinophysis sp Is this microorganism aerobe or anaerobe? What type would it be? Explain why.
- Detergents that are good micelle formers often have strongantibacterial properties. Considering the structure of thecell membrane, suggest a reason for this antibacterialaction.Where are the endospores located in this picture, and what color are they? 20 00 ASM MicrobeLibrary.org Ⓒ KeplingerIs this a microbial formation visible to the naked eye? Explain. Leg abscess aspirate swabbed onto a blood agar CO2 35°C plate overnight in an incubator (bacteria is E. coli)
- The figure below is an electron micrograph of the gram-negative bacterium Azotobacter vinelandii, taken at 49,500X magnification. Using Chapter 13 in your text as reference, identify the marked cellular components. bIs the telluride glycine agar? (TGA) a complex or defined medium? Explain based on its composition. What kind of Media is TGA explaining based on what kind of microorganisms it allows to grow?Microorganism: Dinophysis sp Is this organism aerobe or anaerobe? What type would it be? Explain why.
- Clostridium Botulinum Physical caracteristics Shape Arrangement Gram status? Acid fast ? Capsule? Produce Endospore? Environmental Condition required for the growth Oxygen Which of these is: Obligate aerobe, obligate anaerobe, facultative anaerobe. Temperature Which of these is: Psychrophile, Mesophile, Thermophile pH Which of these is: Acidophile, Neutralophile, AlkaliphileComplete the following table with your observations from the prepared slide Name of the Bacteria Type of Endospore Staining Technique (+ or −) Drawing Clostridium botulinum Clostridium perfringens Bacillus anthracisHelp indetifying the unknown bacteria ? Gram Stain: Purple Cell Morpholgy: Rods Oxygen Requirement: OA Acid Fast Stain: pink Endospore Stain: pink rods Blood agar-hemolysis: no lysis Phenol red-glucose fermentation:red,no gas Phenol red -lactose fermentation:red,no gas Phenol red - mannitol fermentation:red,no gas Phenol red-sucrose fermentation: red,no gas Methyl red:no change Voges-Proskaur: no change Oxidase: no change Catalase: bubbles Nitrate Reduction: red after a & b