Explain the importance of using a control tube with only broth when measuring turbidity in a spectrophotometer.

Q: With the aid of a labelled diagram, outline the principle of the oil immersion objective

A: A microscope is an intrument which helps to enlarge microscopic images which are not visible to…

Q: Explain the imporance of using a control tube with only broth when measuring turbidity in a…

A: Introduction :- There are two types of growth medium or media which are used to grow microorganisms…

Q: Draw and label detailed apparatus of the steam distillation apparatus used for the Isolation of…

A: Eugenol is the oil found in cloves. It's boiling point is 248 degree Celsius. It can be isolated at…

Q: distinguish between selective, differential, enriched, and minimal media. Give examples of…

A: Introduction  Microbiological media, often known as bacterial culture media, is a bacterial growth…

Q: Explain the principle involved in O.D determination of microbial populations using the…

A: A spectrophotometer is an instrument that can determine the concentration of a compound or solution…

Q: MacConkey agar inhibits the growth of Gram-positive bacteria while encouraging the growth of…

A: In microbiology, MacConkey agar is a versatile medium that is frequently used. It is a selective…

Q: Give the importance of using cedar wood oil with the oil immersion objective

A: Light microscope is used to magnify biological specimen and it use two types of lenses that are…

Q: Compare the relative abundance of microbial growth on the agar surface touched by unwashed and…

A: Microbial growth is the increase in the number of microorganisms in a specific environment or…

Q: What is considered a significant change in annual spirometric results? What factors might account…

A: Spirometry that is performed annually, usually once a year, to measure lung function is referred to…

Q: What are the difference in the movement of microorganisms under wet mount from hanging drop…

A: There are some plus point for both the techniques like the wet Mount and hanging drop method…

Q: the step by step process of Nitrate Redution Test using a schematic diagram

A: Nitrate reduction test This test is widely used in microbiology laboratories to determine the…

Q: Compare and contrast use dilution and disk diffusion methods of evaluating disinfectants. Please…

A: Chemical disinfectants are gathered by the sorts of organisms and infectious agents they are…

Q: Which of the following is the proper technique for inoculating an agar slant with a broth culture?…

A: If we want to grow microbes under lab conditions , we need to provide the necessary nutrients and…

Q: give one reason why is it necessary to keep stirring the agar medium mixture in a beaker when…

A: Agar is a heteropolysaccharide, which is composed of different carbohydrate units. Agar is obtained…

Q: Discuss the concept of spectrophotometry, colorimetery, and turbidimetry. Maximum of 150 words

A: Spectrophotometry is a part of electromagnetic spectroscopy worried about the quantitative…

Q: What is differential medium

A: Differential medium or indicative media contain compounds which support the growth of microbes and…

Q: Given the figure below explain the effect of surfactants in terms of dirt removal on the solid…

A: A Surfactant molecule acts as a mediator between dissimilar boundaries, insoluble dirt, and water.…

Q: You are asked to determine the settleability of biomass in a suspended growth activated sludge…

A: The settleability of biomass in a suspended growth-activated sludge sample is an important parameter…

Q: Make an accurate colored of what you observed on the mannitol salt agar plate.

A: Mannitol salt agar or MSA is a commonly used selective and differential growth medium in…

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: Regarding turbidity, which of the following statements is true? Group of answer choices Decreased…

A: Population number or mass can be determined to measure microbial growth. Cell mass can be determined…

Q: A specimen of silty soil has a bulk density of (18 kN/m3) and a moisture content of (13%) determine:…

A: The loose covering of earth that covers the planet's surface is referred to as "soil," which is a…

Q: Define spirometer

A: A spirometer is a machine that is used in order to measure ventilation. It also contributes to…

Q: EMB agar inhibits the growth of Gram-positive bacteria while encouraging the growth of Gram-negative…

A: Inorder to study various characteristics and properties of bacteria, it is important to grow them in…

Q: xplain the advantages and disadvantages of Turbidity measurement for Bacterial growth

A: Turbidimetric assay procedures can be divided into two types based on the type of growth response…

Q: Explain the rational of using saponification-solvent extraction to extract pyrene from milk

A: Asked : Rational of using saponification-solvent extraction to extract pyrene from milk

Q: Explain the effect that environmental factors exert on the growth and development of an algal batch…

A: The growth and development of algae is controlled by various environmental factors. This includes,…

Q: explain methods for cleaning beans using flat bed screen and drum spray cleaner

A: Much of the mechanical cleaning procedures must be performed in the field for proper storage of the…

Q: Name at least one reason that we might want to use a Winogradsky column rather than a laboratory…

A: The Winogradsky column can be used to study various levels of growth that is aerobic or anaerobic…

Q: If a spectrophotometer is available, dispense the culture into labeled corvette and determine the…

A: The intensity of light at various wavelength can be measured by the use of the instrument called…

Q: Which is more Suitable for long-term storage: agar slant or plate? Explain why?

A: In order to isolate the bacteria from samples, they need to be inoculated into a growth medium which…

Q: Is the mannitol salt agar (MSA) a complex or defined medium? Explain based on Composition. What kind…

A: The selective ingredients of MSA the bile salts and the dye, crystal violet which inhibit the growth…

Q: True or false  A spectrophotometer is used to directly count the number of cells in a liquid…

A: Microbiology: The examination of tiny creatures' biology includes viruses, bacteria, algae, fungus,…