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- xplain the four stages of the growth curve for a microorganism. What is the generation time? Which aspect of the growth curve is used to calculate the generation time and why? How is the generation time calculated and why does it make sense that E.coli and M.tuberculosis have such drastically different generation times?Anglais Question 9. With three examples, explain how co- culture could contribute to the growth of uncultivable bacteria?Is the Tryptoc Soy Agar (TSA) a complex defined medium? Explaining based on its composition? Is TSA a differential, selective, both differential and selective media? Please help by explaining based on what kind of MicroOrganisms it allows to grow?
- List 5 temperature requirements for bacterial growth. Explain the temperature ranges and where do infectious bacteria fall in the temperature range and requirements.Discuss the result of sunflowers rhizofiltration of the pond near Chernobyl.Contrast the terms thermal death time and decimalreduction time. How would the presence of bacterialendospores affect either value? What time and temperature is necessary to ensure sterility in the autoclave?
- 6:51 Done Edit This microbe does not have a fermentation pathway sufficient for growth when oxygen is not present O Obligate anaerobe O Aerotolerant py O Obligate aerobe ear O Microaerophile MoreAnswer all the questions. 1. In 3 sentences, briefly differentiate anabolism from catabolism. 2. Differentiate yeasts from molds. Give at least 2 examples of each type.Plateau Phase Death Lag Phase Exponential Growth Phase Phase Fen ve cels Many ive cets Dead cells 10 15 20 25 30 35 40 45 Hours Consider the above figure which depicts the growth curve of microorganisms such as Saccharomyces cerevisiae. Now, reflect upon the components which make up the growth medium used to cultivate yeast. Whilst the growth medium was being made, the component which provides a source of energy for yeast was omitted. VWhat component was left out? What effect will this have on the growth curve phases and the rate at which they occur, especially in regard to the 'Exponential Growth' phase of the yeast? Loganmm/10of Vahie Cels
- Answer the following questions briefly and concisely 1.How do bacteria in a chemostat and those in a batch culture vary from one another? 2. What happens in a chemostat if the dilution rate is higher than the organism's maximum specific growth rate? 3.Does a chemostat require the use of pure cultures? 4. Why would a complicated culture media for Leuconostoc mesenteroides be simpler to make than one with a fixed chemical composition?Microorganism: Dinophysis sp Is this organism aerobe or anaerobe? What type would it be? Explain why.Starting with 10 bacterial cells per milliliter in a sufficient amount of complete culture medium with a 1-hour lag phase and a 30-minute generation time, how many cells will there be in a liter of medium at the end of 2 hours? At the end of 7 hours? Show your solution.