Q: What are the primary limitations imposed by using Hanging-drop method (or Wet mount) to observe…
A: Hanging drop preparation is a type of wet mount in which a drop of organism-containing media is…
Q: The agar turns pink because the enzyme produces which causes a pH change to Ammonia, alkaline OA.…
A: Urease test is performed to check the organism's ability to produce an enzyme known as exoenzyme.…
Q: Phenyl Ethyl Alcohol agar encourages the growth of what type of microorganisms?
A: Answer - Option A - Gram positive bacteria
Q: component used as a solidifying. .-1 agent for media
A: Since there are multiple questions in this particular question I'll answer the first one for you. If…
Q: Please answer it correctly for an Upvote. Thank you. •Explain why cfu/unit analyzed is being used to…
A: CFU stands for colony forming unit and is a measurement unit for estimating the concentration of…
Q: When can gelatin be used in culture media preparation? [Answer in not more than 2 sentences
A: GELATIN: Gelatin, often known as gelatine, is a transparent, colourless, and flavourless culinary…
Q: Clearly describe the application of microbes in wastewater treatment, the Food industry, and brewery…
A: Microorganisms are small organisms that are usually not visible through the naked eyes. Other than…
Q: The optimum growth pH for a microorganism is usually: 4,5,7 or 8
A: pH is the scale on which the acidity or alkalinity is measured. It is the scale between 1 to 14.…
Q: In the laboratory, autoclaving is required to prepare media for the growth of What type of method of…
A: The most effective method by which we sterilize the laboratory instruments is known as autoclaving.
Q: complete the table below by citing some industrial fermentation products from microorganisms
A: We don't provide any references. A "microbe" is a living entity that is so tiny that it cannot be…
Q: In fixed-bed leaching, how it can be leached please mention one or two only.
A: Asked : Fixed-bed leaching
Q: Microorganisms are used in the nitrogen removal process. Discuss why it isn't part of the secondary…
A: The aerobic self purification process that involves when the organic matter is added to the lakes…
Q: Salmonella typhi is a facultative anaerobe. Explain comprehensively.
A: The group Enterobacteriaceae includes the genus Salmonella, which consists of microorganisms linked…
Q: Identify the microorganism/ group of microorganisms involved in the spoilage of the following food:…
A: Spoilage of food products causes great harm to the manufacturer and also to the people consuming it…
Q: If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium…
A: Mannitol salt agar (MSA) is used as a culture medium or growth medium. Growth medium is a medium…
Q: a) Microbial products can be classified in three major categories which related to the microorganism…
A: Microbial metabolism defines all the internal bio-chemical pathways, through which microbes obtain…
Q: Can culture media be sterilized in the hot air sterilizer? Why or why not? (Answer in not more than…
A: Sterilization is defined as a process by which an agent is used to destroy or remove the…
Q: If a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium…
A: Manitol Salt Agar (MSA) in used in lab, mostly for selective and differential growth of microbial…
Q: Why only specific microbes are selected to produce the fermented products?
A: Fermentation refers to “partial oxidation” of sugars by microbes using the organic molecule to…
Q: Which type of food had the lowest bacterial count? Explain.
A: Introduction: Bacterial count is an important factor to assess in the prepared food. It gives an…
Q: Draw two diagrams, one showing what enzymes and products are produced when GLN is high and one when…
A: Gln in question stand for Glutamine. Glutamine is an amino-acid exist in L-form like other amino…
Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…
A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…
Q: Name four factors that affect the death rate and effectiveness of any microbial agent.
A: Pathogens, germs, fungus, amoeba, and worms are the five different types of disease-causing agents.…
Q: Leachate production is what
A: A leachate is any liquid that, extracts soluble or suspended solids from the material through which…
Q: In the process of vinegar making. If the steps involving yeast inoculation are not done, what would…
A: No we will not get our desired vinegar if we do not add yeast into the solution.
Q: Microorganisms are involved in each of the following processes EXCEPT infection fog production…
A: Ans: Fog production
Q: Why must you first clean debris from items before beginning disinfection or sterilization? (
A: Until the discovery of the microbes by the famous scientist Louis Pasteur, one of the signs of the…
Q: beneficial activities of microorganisms.
A: Microorganisms. Microorganisms or microbe are unicellular or multicellular microscopic prokaryotes…
Q: In an autoclave, how are temperatures above boiling achieved? (Answer in not more than 2 sentences)
A: The air in the autoclave chamber is removed and replaced by the increasing amount of steam trapped…
Q: Explain the answer using the concepts of protein inside the microorganisms cell wall etc
A: Disinfection is a process in which the micro organisms are reduced through the disinfectants on…
Q: If a bacteria is inoculated onto milk agar and an area of clearing is observed around the bacterial…
A: Milk agar or skim milk agar is used to differentiate and cultivate microbes based on their…
Q: Which of the tubes (containing thigylcolate broth) best illustrates the growth of facultative…
A: Growing bacteria in thioglycolate tube cultures allows us to easily observe different molecular…
Q: What is the substrate(s) that will be used by the microorganism to produce the calcite ?
A: Biomineralization is the process by which microorganisms and other living organisms directly or…
Q: Among these five areas in the laboratory: air, faucet, table, floor, table, the doorknob, which is…
A: Ans: Microorganisms: The microscopic, unicellular organisms are referred to as microorganisms. They…
Q: The generation time of microbacterium cells present in activated sludge is 30 minutes. If these…
A: Introduction: Cells are the most basic and basic unit of life. So, if we dissect an organism down to…
Q: Spores and toxin-producing microorganism produce toxins need higher Aw than minimum Aw for microbial…
A: Water activity (aw) is basically a term describing the availability of water to microorganisms. It…
Q: Under what conditions is sterilization by filtration preferred over sterilization by heat
A: Filteration is the sterilization process wherein there is the physical removal of micro-organisms…
Q: Draw two tubes showing how you have inoculated microorganisms in urease and in nutrient agar
A: Inoculation is the transfer of the bacteria on the nutrient medium to show its growth. The tools…
Q: How Microorganism harming food? Please briefly explain at your own words.
A: All food should be safe and free of contamination and deterioration from the time it leaves the farm…
Q: Which type of food had the highest bacterial count? Explain.
A: Bacteria consist of all the characteristics of a living being and can reproduce independently via…
Q: Need answer of this question Identify the principles and procedures related to disinfection and
A: As we know Sterilization is the process of killing microorganisms along with their spores. It is the…
Q: Match the microorganisms in column A with their corresponding product in column B, then match your…
A: A B C 1. B. subtilis H. Amylase I. Primary metabolite 2.…
Q: orrectly identify the bacteria based of the information provided: Cocci, Gram+, Catalase+,…
A: Introduction The bacteria is the unicellular prokaryotic organism that exist in soil, water, plants,…
Q: List 5 other methods of sterilization and describe the principle/s and when each method is used.
A: (Please note that, you provided more than one question, I can only answer one question at a time,…
Q: Which ingredient is included in the motility test to make the results easier to see? bromthymol blue…
A: A motility test is a test that is performed to check whether the organism is motile in its nature or…
Q: After the mordant has been added, Gram-positive organisms are stained __________ and Gram-negative…
A: Gram staining is a staining technique used to differentiate two large groups of bacteria based on…
Match the microorganisms in column A with their corresponding product in
column B, then match your answer in column B to column C.
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- If an acid-fast bacterium is detected in a clinical sample, thenthe organism could bea) Cryptococcus neoformans .b) Mycobacterium tuberculosis .c) Neisseria gonorrhoeae .d) Streptococcus pneumoniae .e) Streptococcus pyogenes .The pathogen Neisseria meningitidis has the nickname "the meningococcus". What is meningococcemia? A. The presence in the blood of any coccus that can cause meningitis. B. N. meningitidis in the bloodstream. C. It is the same as pneumococcemia.Every year, supposedly safe municipal water supplies causeoutbreaks of enteric illness.a. How in the course of water analysis and treatment might thesepathogens be missed?b. Why is there less tolerance for a fecal coliform in drinking orrecreational water than for other bacteria?
- Write a paragraph of the three types of mycolic acids that you have Mycobacterium tuberculosis and indicate its importanceWhich ONE of the following best describes nitrofurantoin? Select one: A. A macrolide antimicrobial agent B. An antimicrobial prodrug C. A natural product produced by Streptomyces spp. D. Useful in treating systemic infections E. A nucleic acid synthesis inhibitor Which ONE of the following best describes cephalexin? Select one: A. The bacterial target is located on the internal side of the cytoplasmic membrane B. An agent suitable for community use C. Resistance readily occurs via drug efflux in Gram-positive bacteria D. A parenteral penicillin E. An agent capable of disrupting bacterial membranes Which ONE of the following best describes ciprofloxacin? Select one: A. Active against Streptococcus pneumoniae B. An inhibitor of RNA synthesis C. An antimicrobial prodrug D. A natural product produced by Streptomyces spp. E. Subject to new restrictions and precautions for use due to very rare reports of…Put Koch’s postulates in order.(a) The disease organism must be isolated in pure culture.(b) The disease organism must be recovered from the in-oculated animal.(c) The specific causative agent must be found in every caseof the disease.(d) Inoculation of a sample of the culture into a healthy, sus-ceptible animal must produce the same disease.
- Doctors prescribe synergistic drug combinations to treatbacterial infections. The purpose of such treatment is to:(a) Change the bacteria with cell walls to L forms lackingcell walls(b) Reduce the treatment time of the disease(c) Prevent microorganisms from acquiring drug resis-tance(d) Reduce the toxic side effects of the antibiotics(e) Use lower doses of antibioticsBotulism is cause by an: a)Rickettsia b)Aneorobic spore forming bacteria c)Gram negative diplococcus d) Gram positive coccus e) Aerobic spore forming bacteriapathophysiology Which clinical condition is associated with anabolism? give scientific rational A.Stress B.Starvation C.Healing D.Fever
- trains of the tuberculosis bacterium, antibiotics can relievesymptoms in a few weeks. However, it takes much longer to haltthe infection, and patients may discontinue treatment whilebacteria are still present. Explain how this could result in theevolution of drug-resistant pathogens.Whooping cough is caused by which organism?(a) Corynebacterium diphtheriae(b) Staphylococcus epidermidis(c) Staphylococcus aureus(d) Bordetella pertussis(e) Streptococcus pyogenesSoil mycobacteria can be the cause ofa. tuberculosis b. leprosy c. fish tank granuloma d. erysipeloid