The microscope images show two different sludges. Which sludge is preferable in a biological treatment plant. Motivate your answer.

Q: A microscope that has a total magnification of 1,500× when using the oil immersion objective has an…

A: The microscope is the major tool in the identification of a microorganism after its isolation. The…

Q: Biofilm is

A: Answer is option c.) Colonial organism.

Q: In sterilization, which among the supplies, instruments, glassware, etc. under the list of materials…

A: Hot air oven= powder, oil, liquid paraffin, glass wares, metal sharps  Autoclave= media, reagents,…

Q: Why is algae being grown in wastewater

A: INTRODUCTION Production and emission of CO2 from different sources have caused significant changes…

Q: Suppose you are checking the microbial quality of a raw material using agar culture media. After…

A: Unwanted microbial growth occurs when no proper care is taken while tranferring the culture on the…

Q: Write a descriptive introduction or brief introduction about Microbial Motility/Determination of…

A: Some microbes are motile and some are not. Motility helps them to avoid danger and to obtain…

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: Compare and contrast granular and bulking sludge. Why is granular sludge desirable?

A: Wastewater is obtained from households and is rich in water with some particulate matter.

Q: A colleague performs a smear prep from a colony on an agar plate. Without staining it, he looks at…

A: Answer : the error in his logic is that he didn't stained the bacteria with the gram stain.  He…

Q: Does the image above represent a pure culture? Yes O No

A: Answer- No

Q: What do you mean by agar? Give example.

A: Microbial culture is a method of multiplying microbes by allowing them to reproduce in a…

Q: Make a course description about microbiology

A: MICROBIOLOGY The name microbiology came from the Greek word mikro = small, bios = life, logos =…

Q: The reason that salt and sugar can be used as preservatives in pickles and jellies is that: both…

A: Salt and sugar reduces the water activity of the food. It causes the microbial cells to undergo…

Q: When culturing microorganisms, you must ensure you work to prevent unwanted contamination.  In doing…

A: Given: When culturing microorganisms, you must ensure you work to prevent unwanted contamination.…

Q: What method of food preservationexploits the principles that are illustrated here?

A: Food preservation is a process to eliminate or reduce the food spoilage by microbial growth and…

Q: Can culture media be placed in a freezer? Why or why not

A: Culture media are also called as growth media. They are mixture of nutrients and other substances…

Q: Below is an image of a stained microorganism. Choose the BEST answer for the following questions…

A: Bacteria These are microscopic, single-celled organisms. These microorganisms exist in  millions, in…

Q: Match the microorganisms in column A with their corresponding product in column B, then match your…

A: A primary metabolite is a kind of metabolite that is directly involved in normal growth,…

Q: Would heating the culture in a sealed, small-diameter tube that is totally immersed in a water bath…

A: Microbial culture is a process of multiplication of microbial organisms by allowing them to…

Q: Describe how to measure the effectiveness of a chemical disinfectant.

A: A chemical liquid or a substance that is used to kill microbes is referred to as a disinfectant.…

Q: If you have a substance that you wish to sterilize (without destroying), and that substance is…

A: Introduction Any procedure that eliminates, eradicates, or renders inactive all life…

Q: microbiology

A: For to obtain cultures and Sensitivity faster, depends on targeted bacterial strain. The media…

Q: A reducing agent

A: Reduction is the addition of an electropositive element or the removal of an electronegative element…

Q: Membrane filters

A: Membrane filter are made up of cellulose.

Q: The absorbance of light is measured with a spectrophotometer and the result can be used to estimate…

A: the absorbance of light is measured with a  spectrophotometer and result can be used to estimate the…

Q: A scientist noticed that his sample of cyanobacteria moves towards the side of the petri dish that…

A: Cyanobacteria are considered as an evolutionarily and ecologically important group of prokaryotes.…

Q: Which microscope is most useful for visualizing a biofilm? O fluorescence microscope O…

A: Fluorescence microscope : it is a type of microscope in which the subject or specimen is analysed by…

Q: Explain how a recrystalization will purify a solid. You MUST use relevant drawings in your answer.

A: Recrystallization: It is a technique performed in the laboratory to purify solids based on their…

Q: Why are some bacteria difficult to grow in the laboratory? Relate this to what you know so far about…

A: Microorganisms are isolated and cultured for various reasons. The role of media in the culture,…

Q: Microbiology When using the Microscope in a lab, the use of oil prevents_____________ (use the…

A: Resolution refers to the ability to distinguish two adjacent objects with accuracy. If the…

Q: microbial motility.

A: Motility test is used to determine if organisms are motile or not. It is the ability of an organism…

Q: Sketch a formal lab drawing and label it for dicot

A: Dicot and monocot are major classifications of flowering plants.  Dicot or dicotyledon are those…

Q: choose a product of nanotechnology found at home. Discuss the purpose and how the technology is…

A: Nanotechnology essentially means employing the matter at a tiny scale, at the atomic and molecular…

Q: Explain the difference between vegetative cells and endospores.

A: Endospores formed inside the parent vegetative cell. Endospores are highly durable dehydrated cells,…

Q: Write a research abstract about this title: "As a solvent for cleaning laboratory glassware,…

A: Organic Solvents like acetone, ethanol are used to rinse the glassware. Curved glassware's…

Q: Differentiate between non-motile and motile microorganisms. Draw a comparison sample

A: Microorganism use different structure for movement some microorganism use flagella however other use…

Q: Which reaction is carried out by nitrification bacteria? Select one: a. nitrate to nitrite b.…

A: The conversion of atmospheric nitrogen into usable forms such as nitrogenous compounds is called as…

Q: Choose the combination of answers that most accurately completes the statement.An example of an…

A: Introduction: Surfactants are chemical substances that lower the surface tension between two liquids…

Q: Agar is added to media.

A: Agar is obtained from algae. It is composed of agarose (polysaccharide) and agaropectin. It is a…

Q: You inoculate a culture into a test tube containing broth and take it out of the

A: Microbiological culture is a method of multiplying microorganisms in lab conditions on growth media.…

Q: An example of an agent that lowers the surface tension of cells isa. phenol b. chlorine c. alcohol…

A: Cells are the basic structural and functional unit of life. There are two types of cells prokaryotic…

Q: household bleach reduces microbes because it is a member of what group of chemicals? a. halogen b.…

A: Small organisms that are not visible to naked eyes are called microbes or microorganisms.  It…

Q: Find the connection among the words below and choose the letter of the word which is different. A.…

A: Gel electrophoresis Gel electrophoresis or agarose gel electrophoresis is a molecular technique…

Q: Bacteria can grow in thelaboratory as a suspension in liquid _________

A: It is an environment which supplies necessary nutrients for the growth of microorganisms. Nutrient…

Q: Explain in your own words the liquid growth analysis process that you see in the graph.

A: Telomerase maintains the length of telomere by de novo addition of repeats. However, recombination…

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: Lab Experiment: Biosynthesis of ethanol Part 2 What is the distillation technique and its uses,…

A: Glucose is converted to form pyruvic acid by the action of several enzymes through a cascade of…

Q: What is the most likely biosafety level of your introductory microbiology lab classroom?

A: A biosafety level (BSL), also known as a pathogen/protection level, is a set of biocontainment…

Q: giving examples to illustrate your answer define both selective media and enrichment media as might…

A: For research purposes every microbiologist must eventually grow bacteria in the laboratory.…

Food Microbiology

The subdivision of microbiology that deals with the interaction between microbes and food particles are called food microbiology. This scientific study incorporates both beneficial and harmful microbes and their effect on the food production, food storage, and health of human beings.