Record your results in the chart as 0 = none; 1+ = slight; 2+ = moderate; 3+ = abundant. Microbial Species Amount of Growth 25°C 40°C 60°C 80°C 100°C S. aureus           E. coli           P. mirabilis

Q: Which of the following is NOT a chemical method of microbial control? a) refrigeration b) ethyl…

A: In order to stop the spread of infections and diseases, microbes must be under control. Thereby…

Q: What are the four most important chemical nutrients for microbial growth? O Carbon, copper,…

A: Microbial growth refers to the growth of a population, not to an increase in the size of the…

Q: This microbial community is a called a ________

A: Bacterial members when present in clusters of different types or species under a coating of an…

Q: Which of the following is not one of the six major elements microbes need tosurvive, grow, and…

A: Microbes are small, unicellular, and microscopic organisms. They can be bacteria, viruses, or fungi.…

Q: Which of the following statements regarding microbial death is FALSE?   Question options:   cell…

A: All of these statements are TRUE.

Q: During secondary treatment or biological treatment which of the following do not happen (1) Decrease…

A: Secondary wastewater purification systems use microorganisms to remove contaminants from…

Q: What is the difference in microbial population from water sediment and neustonic source? A. Ratio…

A: Answers :  The difference between microbial population from water sediment and neustonic sources are…

Q: What statement correctly explains why moist-heat is more effective than dry-heat for sterilization…

A: The aseptic technique is devoid of any organism that is achieved in laboratory set-up through…

Q: Which of the following statements regarding low temperature storage is FALSE?   Question options:…

A: Controlling microbes is critical for preventing disease spread.

Q: The activated sludge process was developed from empirical knowledge and is now widely used for…

A: Activated sludge-The activated sludge process is a type of wastewater treatment process for treating…

Q: Which of the following is not a matching pair?a) Potable water—presence of pathogensb) High BOD—high…

A: Filamentous bulking refers to the uncontrolled growth of filamentous bacteria. Primary treatment…

Q: When you compare the standards on bacteria, recreational use of water has a higher standards than…

A: A pathogen is an organism that is capable of causing the disease to its specific host, with the…

Q: Why are there so many antibiotic-producing organisms in soils?Explain it

A: Antibiotics are secondary metabolites which are produce by the bacteria as a part of their natural…

Q: Why canal/pond water supports growth and development of microbes?

A: Introduction  Habitat is referred to the place where any species resides. This can be any…

Q: What area is NOT a potential source of an extremophile microbe? A. Microwave oven B. Wild honey C.…

A: Extremophile microbes are organisms which are well adapted to live in extremes of environment but…

Q: Students in a microbiology lab need a culture for experiments that require healthy and actively…

A: E. Coli has a generation time of 20 minutes. So if the word of professor is to be trusted, it means…

Q: You're in charge of bioremediation of jet fuel-contaminated soil. Your colleague advises that you…

A: Bioremediation is a field of biotechnology concerned with the removal of contaminants, poisons, and…

Q: MSA/mannitol salt agar plate is selective because: O it allows only gram positive bacteria to grow O…

A: Mannitol salt agar(MSA) It is a selective medium used for the isolation, enumeration and…

Q: Suppose you have joined to a lab lately for your undergraduate research and your supervisor is an…

A: Microorganisms are widespread in nature and are beneficial to life, but some can cause serious harm.…

Q: Provide evidence in support of or refuting the following statement: Microbial life can exist in the…

A: There are some microbial life that can indeed exist in the complete absence of sunlight or organic…

Q: List two ways you think would minimise or avoid lag phase of microbial growth

A: During lag stage, the bacteria can adjust to development conditions. It is the period where the…

Q: Match the descriptions to the terms. There are 4 descriptions to match. You can use a choice more…

A: Bacteria are microbes that are everywhere.

Q: You have two organisms A and B. One is an obligate aerobe and the other is an obligate anaerobe. You…

A: Introduction:- Aerobes are the organisms that respires in the presence of oxygen means these can…

Q: Compare and contrast moist and dry heat methods of microbe control and give 2 examples of each.

A: The growth of microbes in an inanimate object can lead to the contamination of the particular…

Q: A food consumer stored their food at 4 degree celsius without washing, hoping to preserve it for a…

A: Refrigeration doesn't kill the bacteria as such but makes their enzymes and metabolism inactive and…

Q: Give a microbial species or microbial group that could be involved in the following: Alcohol…

A: Microorganisms are life forms that are excessively little to be seen without utilizing a magnifying…

Q: As a Microbiologist working on a bioremediation project, you are torn between 2 choices for…

A: The process of bioremediation, defined as the use of microorganisms to detoxify or remove pollutants…

Q: Imagine yourself being assigned to a very poor, remote village to educate the people about…

A: Pond water is a type of surface water that, like well water that can be filtered and used in the…

Q: For long-term storage of microbes that will be may be revived and grown later, what temperatures are…

A: The underlying principle of long term preservation is to keep microorganisms in a dormant state,…

Q: A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)…

A: Obligate aerobes are those bacteria that grow exclusively in the presence of molecular Oxygen and…

Q: A Food Microbiologist would like to determine all the possible effects of temperature and pH on…

A: Rate of growth refers to the The rate at which the number of organisms in a population grows. This…

Q: Microbial Cell Density, Growth Curves Time (min) 0 20 40 60 80 100 Gp1 Abs 0.054 0.053 0.10 0.21…

A: The time taken by a population to double it's size is known as the doubling time. A semilog graph…

Q: Green sulfur bacteria can still thrive in low oxygen conditions. Select one: True False

A: Bacteria is simple prokaryotic, microscopic  organisms that doesn't conten any membrane bound…

Q: 1) Psychrop hiles Mirobes that live in cold environments like sea ice and the arctic and…

A: An extremophile is a kind of organism that thrives in harsh conditions. Extremophiles are species…

Q: Which microhabitat supports growth of halophilic microorganisms? Check all that apply. * Great Salt…

A:

Q: Chlorinating swimming pools is an example of______________ to control microbial populations. A.…

A: Disinfection of swimming pool means killing all the pathogenic microorganism species in the pool…

Q: When food leftovers are stored in a refrigerator, how does this help prevent food borne illnesses?…

A: Food-borne illness or food poisoning is an illness caused by consuming foods that are contaminated…

Q: Some marine bacteria, such as Cytophaga species, live and grow well inside fish guts and in waters…

A: Cytophaga  is responsible for the cold water disease in trout and results in skin lesions and occurs…

Q: Which of the following prevented an aerotolerant anaerobic, mesophilic and halophilic bacterium from…

A: When the bacteria is aerotolerant, mesophilic and halophilic bacteria, we can stop the contamination…

Q: The followings list the false statements about microbial growth curves EXCEPT Log phase indicates…

A: Option (b)microbes grow exponentially when they are in the stationary phase.

Q: The following plates were inoculated with organisms A, B, C, and D on each sector of this plate.…

A: The study of tiny living creatures such as bacteria, viruses, fungus, algae, and protozoa is known…

Q: drug failed to work. Even if resistance is not an issue, the antimicrobials are found to only have a…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is A (Microbial components vary over…

Q: It is sometimes difficult to obtain pure cultures of microbes that grow naturally in mixed…

A: In microbiology, the pure culture is a laboratory culture which comprises of the single species of…

Q: During the ____________________ phase of microbial population growth, the rate of cell division…

A: Bacteria are prokaryotic creatures that most typically reproduce via binary fission, an asexual…

Q: Which microbe is NOT found present in water with eutrophication events(s)? A. Nitromonas sp. B.…

A: Few important points are as follows: As we know that eutrophication is a process by waterbodies…

Q: ell me three things that you know about controlling microbial growth - think about how you handle…

A: Microbiologists utilized laboratory cultures to investigate bacteria and viruses. Many elements of…

Q: What is the word used to describe microbes which have simple enzyme systems and which require growth…

A: fastidious

Q: Microbes can be used to decrease the use of chemical fertilizers & pesticides. Explain how can…

A: Usually, the pesticides and the fertilizers are used by the farmers in their fields. The…

Q: MacConkey lactose agar is a medium that kills all microbes except for gram-negative bacteria, and it…

A: Agar is a galactose-based heterogenous polysaccharide obtained from seaweed(red algae). It is…