Considering what you know about molds and yeasts, why do you think that we do not use the same nutrient agar used for bacteria to grow yeasts and molds
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Considering what you know about molds and yeasts, why do you think that we do not use the same nutrient agar used for bacteria to grow yeasts and molds
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- what makes areobic or presence of oxygen conditions good for bacteria to growAn extreme-weather event has knocked out power in your community. Even with rebuilding efforts, it appears that it could be 6 months or longer before power is restored. Since you have a background in microbiology, the people you know are asking you for possible ways of storing/preserving their food safely without electricity. What advice can you give them, and why would you make those recommendations?Bacteria can grow under a variety of conditions but also have growth preferences. Bacteria that prefer to grow under oxygen levels that are below that of atmospheric oxygen are called: Obligate aerobes Microaerophiles Anaerobes Facultative anaerobes Clear my selection
- discuss at least five different examples of extremophiles on Earth and discuss how they thrive in their special environments (or, each person can choose one extremophile to research and share with the rest of the group). Extrapolate these extreme survival abilities to the kinds of life that might be able to survive in the very different environments throughout our Solar System? Do you think that watery places like Europa or Enceladus would be a better environment to search for life as opposed to somewhere like the clouds of Venus? Why or why not? For more information on possible life in Venus' atmosphere,Could you explain the difference ( and possibly show the difference) between a growth on Agar slants and Growth in broths? Next, could you describe what E. Coli, M. Luteus, and an uninoculated growth should look like on both agar slants and broths? Much thanks! I am a bit confusedYou 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 is NOT true about endospores? O 1) Spores are resistant to heat, radiation, cold, and dessication. O 2) One endospore germinates into one vegetative cell. O 3) They are a method of reproduction for bacterial cells when growth conditions are inhospitable. O 4) Endospores are clinically significant in causing disease. O 5) The endospore has a thick spore coat that protects it.When it comes to the manufacture of antibiotics, what advantages do soil bacteria and fungus have? Antibiotics should only be used when absolutely necessary. Why?The 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
- Why would farmers be concerned about nitrifying bacteria?The graph represents the growth rates of different types of bacteria labeled w-z at different temperatures. -10 0 10 20 30 40 50 60 70 80 90 100 110 Temperature (°C) Lactic acid bacteria are type x. They are used in the preparation of fermented food products. What will be the impact on the lactic acid bacteria when the temperature is increased to 60°C? O These bacteria will become type y. O These bacteria will work more effectively. O These bacteria will work at the same speed. O These bacteria will stop fermenting food. Growth Rate of BacteriaIn a biological production process, bacteria with spore-forming ability are immobilized on a support surface. Once a batch of production is done, these cells along with their support material are separated from the medium, and then sterilization is performed in a furnace for safe disposal of material into the environment. An important issue here is to ensure ALL bacteria, including any spores that may form and those that are located at the center of the spherical support material, are killed with heat. For this purpose, the temperature at the center of the spherical support material must reach the designated killing temperature. The support material is a sphere with 3 cm diameter and a heat capacity of 4.0 kJ/kg*K, a density of 800 kg/m³, a thermal conductivity of 0.7 W/m*K. The heat transfer coefficient of the surrounding air is 14 W/m2*K. If the initial temperature inside the furnace prior to the start of sterilization is 15 °C, how long should the procedure last to obtain sterile…
