Q: please write an introduction on the effects of ph on Microbial Growth
A: pH is defined as a negative logarithm of hydrogen ion concentration.For the proper growth of…
Q: Define agar.
A: A dried jelly-like substance called agar, commonly referred to as agar-agar, is made from the red…
Q: Which organism(s) would likely be classified as an alkaliphile?
A: The pH is a negative logarithm of the hydrogen ion concentration. It measures how many hydrogen ions…
Q: Phenyl Ethyl Alcohol agar encourages the growth of what type of microorganisms?
A: Answer - Option A - Gram positive bacteria
Q: List the different type of bacteria depending on the salt concentration required for their growth?…
A: Halophiles are found in three domains -Inside the Bacteria halophiles depend on salt concentration…
Q: • Isolate and purify the lead compound if necessary • Determine the structure of the lead compound ►…
A: The process of making candidate medication by applying biotechnology, pharmacology and medicine is…
Q: Explain why a green metallic sheen is formed when E. coli is grown on Eosin Methylene Blue Agar.
A: Escherichia coli is the gram negative bacteria.
Q: Describe the kind of food that would have lactic acid bacteria. Mention their useful applications.
A: Lactic acid bacteria are widespread in any environment that is rich in carbohydrates, such as…
Q: Why is resazurin a useful media additive for the study of anaerobes?
A: Resazurin is a weakly fluorescent, non-toxic, redox-sensitive phenoxazine dye which has a…
Q: why it is useful to plot the microbial growth from a growing microbial culture?
A: The term microbial growth refers to the growth of a population of microbe, it is an increase in the…
Q: Differentiate between a microbistatic and microbicidal agent.
A: Microbicidal and microbiostatic generally fall within the antibacterial scope. The toxic gas…
Q: cribes an organism as a chemoheterotrophic, aerotolerant, mesophilic, facultatively halophilic…
A: to explain: The metabolic and structural characteristics of a cell from a "chemoheterotrophic,…
Q: Make vinegar using starch as raw material. Outline the process steps in a schematic diagram stating…
A: The term vinegar actually refers to the two-step process of fermentation from carbohydrate to…
Q: What is the difference between defined media and complex media?
A: media is a solution in which is rich in nutrients. it is very suitable for the growth of microbes…
Q: What are the organisms involved in organic matter decomposition?
A: Organic matter decomposition is the process by which dead biomass is broken down. It's usually…
Q: The following are major free radical scavengers except: A Superoxide dismutase B Catalase C…
A: Free radicals are generated in the body due to inflammation, radiation, oxygen toxicity, reperfusion…
Q: An obligate halophile is an organism that requires high osmotic pressure.True or false?
A: Osmotic pressure refers to the minimum pressure that is required to stop the occurrence of osmosis…
Q: Describe how each of the following physical factors affect microbial growth and aid in…
A: Microbial growth It is defined as an enhancement in the number of cells of microbes. there are…
Q: How would the pH of the culture medium be influenced by sugar fermentation? By urea hydrolysis?
A: Microorganisms grow well at their optimal pH. The concentration of hydrogen ion affects the growth…
Q: Explain the importance of using a control tube with only broth when measuring turbidity in a…
A: A spectrophotometer is used to measure the turbidity of a microbial culture sample. It is also used…
Q: Name the three general categories of media, based on theirinherent properties and uses.
A: Microbial media or bacterial culture media is a growth medium that is used to grow bacteria in…
Q: The most probably number (MPN) method for measuring Nitrifiers in soil Microbiology ?
A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…
Q: What are some advantages and disadvantages of using ionizing radiation to sterilize food?
A: Sterilization involves physical methods for removing or controlling the microbes. The physical…
Q: Why do we study how to control microbial growth? Give concrete examples wherein our understanding of…
A: Introduction :- Bacterial growth occurs when a bacterium divides into two daughter cells, a process…
Q: What makes agar good support for microbial growth?
A: Microbial culture is a method of multiplying microbial organisms by letting them reproduce in…
Q: What information can obtain from observing the growth of bacteria on liquid agar?
A: Liquid agar is a liquid media mixed with agar which when heated solidifies and then is used as a…
Q: What are the possible ways to sterilize heat labile products? Explain your answer with suitable…
A: Heat labile materials are those substances that can undergo change rapid change when exposed to high…
Q: What information can obtain from observing the growth of bacteria on solid agar?
A: Agar is a jelly-like substance, obtained from rhodophyceae that are commonly knows as the red algae.…
Q: Please match the type of media with its corresponding example to test your understanding of liquid,…
A: A growth medium may be a solid, semi-solid, and liquid designed to support the expansion of…
Q: microbial motility.
A: Motility test is used to determine if organisms are motile or not. It is the ability of an organism…
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: Distinguish between the terms halophilic and halotolerant microorganisms. Give one example of each.
A: Some Microorganisms have the unique ability to withstand harsh environmental conditions because of…
Q: What are the advantages of solid media ?
A: Microbial culture is a method of multiplying microbes by allowing them to reproduce in a…
Q: How is household antibacterial soap like a weapon against pathogenic bacteria?
A: Antibacterial soaps are those that contains certain chemicals that inhibit the growth of pathogens .
Q: What type of agar is MacConkey agar?
A: MacConkey agar or MAC which is also described as a bacterial culture medium was named after the…
Q: Aside from Paraffin, what is your recommended infiltrating medium for routine purposes? why?
A: INFILTRATION is the process in which the clearing agent is completely removed from the tissue and…
Q: Sugar Utilization medium (Containing trehalose, sucrose, trehalose, Mannose,etcUrease
A: The medium asked in the question is a fermentation medium used in carbohydrate fermentation test…
Q: Define halophile and facultative halophile.
A: Bacteria are of different types such as eubacteria and archaebacteria. Archaebacteria are…
Q: What are chemoautotrophs? Give some examples.
A: Organisms are divided into Autotroph and Heterotrophs based upon the modes of nutrition. The…
Q: Many culture media produce colorful solutions due to the presence of which are water soluble organic…
A: Colony color or pigmentation is mostly exploited characteristics of bacteria which aids in the…
Q: Tell me three things about microbial metabolism and growth?
A: Microbial metabolism refers to how a microorganism acquires the energy and nutrients (such as…
Q: Describe the difference between chemoheterotrophs and photoautotrophs give examples.
A: Photoautotrophs are those organisms that uses light energy to synthesize organic compounds from…
Q: Which media in this lab tests for exoenzymes? Starch for endoenzymes? Starch ..
A: Exoenzymes work outside the cell, while endoenzymes work inside the cell.
Classify organisms based on their growth in thioglycollate media? Thank you
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- Is the telluride glycine agar? (TGA) a complex or defined medium? Explain based on its composition. What kind of Media is TGA explaining based on what kind of microorganisms it allows to grow?Explain how to prepare 250 ml liquid and 500 ml solid form separately from LB (Luria Bertani) medium whose components and concentrations are given below. Yeast extract 5 g/L Peptone 10 g/L NaCl 10 g/L Agar 1.5 g/LThe following ingredient list represents which type of growth media? Beef extract 1.5 g Yeast extract 3.0 g Peptone 6.0 g Glucose 1.0 g Agar 15.0 g water 1000 ml pH 6.6
- Aside from Paraffin, what is your recommended infiltrating medium for routine purposes? why?What is differential medium? Describe at least five (05) differential media along with the agent(s) responsible for conferring differential propertiesIs the mannitol salt agar (MSA) a complex or defined medium? Explain based on Composition. What kind of media based on what kind of microorganisms it allows to grow
- Which organism(s) would likely be classified as an alkaliphile?Why does turbidity in a cultured media losses its reliability at high cell concentrations?Is the eosin methylene blue agar? (EMB) a complex or defined medium? Explain based on its composition. What media is MSA explaining based on what kind of Organisms it allows to grow