Breakdown of the items in the image can occur through an anaerobic process to generate a renewable, combustible gas. Which term best describes the microbes that perform this: Select one alternative: Bacteria O Halophiles O Algae Methanogens O Yeasts
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- Match each of the following terms to their proper description. You may have to use your textbook for this question. Obligate aerobe V [ Choose ] require lower than atmospheric amounts of oxygen don't require oxygen, but aren't negatively affected by it a microaerophile that requires a higher amount of CO2 than usual requires oxygen for respiration Obligate anaerobe grow with or without oxygen any amount of oxygen is lethal Facultative anaerobe [ Choose ] Aerotolerant anaerobe [ Choose ] Microaerophile [ Choose ] Capnophile [ Choose ] > > > >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. bThe term "turbidity" in microbiology refers to: a cloudy appearance in broth, meaning microorganisms did grow a cloudy appearance in broth, meaning microorganisms did not grow a clear appearance in broth, meaning microorganisms did not grow the clump of cells at the top of a broth a clear appearance in broth, meaning microroganisms did grow
- Answer the question briefly and concisely. The Mannitol salt agar (MSA) only allows the growth of halophiles (salt-loving microbes);nonhalophiles will not grow. Among the halophiles, mannitol fermenters will produce acid that turnsthe pH indicator yellow; mannitol nonfermenters leave the medium red. Onto MSA you inoculate ahalophilic mannitol fermenter and a halophilic mannitol nonfermenter. In this case, the medium isacting as (a) __________ medium(s).A. SelectiveB. DifferentialC. Selective and differentialD. EnrichedAn aquatic microbe that can grow only near the surface of the water is probably which of the following? a chemotroph a phototroph a heterotroph an anaerobe a lithotrophWhat type of microbes are often withstand and survive high pressure treatment? Group of answer choices virus particles halophiles endospores mesophiles fungal hyphae
- You have 2 organisms, A and B. One is an obligate aerobe and the other is an obligate anaerobe. You have 2 Nutrient Agar Plate Media that these organisms can grow on. How can you differentiate which organism is aerobic and which is anaerobic?Which of the following terms is NOT used to describe microbes thrive in different temperature ranges? Thermophiles Psychrophiles O Mesophiles O HalophilesYou have two organisms A and B. One is an obligate aerobe and the other is an obligate anaerobe. You have 2 Nutrient Agar Plate Media that these organisms can grow on. How can you differentiare which organism is aerobic and which is anaerobic.
- What is yeast? Why is it a widely used microbe in food industrial microbiology? What characteristics does it have that makes it a beneficial microbe for wine, bread, juices, and the like? Enumerate the processes it undergoes, products it produces, and interactions with other microbes it has. Provide an example of a food product that makes use of yeast, and how yeast is involved in that production processSterility: is achieved by most disinfectants and antiseptics (i.e., chemical agents) O is achieved by soap and water is the absence of PATHOGENS or spoilage-causing microbes ONLY Cannot be achieved by ethylene oxide O CANNOT be achieved by autoclaving O is the absence of ALL living cells and endosporesThe figure shows stratification of microbial layers in a Winogradsky column (a method used to simulate environments similar to microbial mats observed in nature). Cyanobacteria and algae Nonsulfur photosynthetic bacteria (e.g., Rhodomicrobium) Purple photosynthetic bacteria (e.g., Chromatium) Green photosynthetic bacteria (e.g., Chlorobium) Air Liquid Aerobic zone Microaerophilic zone (Less anaerobic) Anaerobic zone (More anaerobic) Mud mixed with sulfate and carbonate salts and cellulose or other organics