Which of the following is not an aim of fixation? A. To prevent putrefaction B. Remove excess water from the tissue C. Prevent osmotic swelling D. Render the tissue suitable for subsequent staining

Q: Briefly discuss the following terms: Coarse facing Coarse trimming Fine trimming Cold wax Floatation…

A: A microtome is a device employed in cutting sections from an embedded specimen to be used as a…

Q: Why is heat necessary in spore staining?

A: BASIC INFORMATION  SPORULATION  It is a process during which spores are formed.  We can find it in…

Q: Which stain is most frequently used to distinguish differences between thecell walls of medically…

A: The cell walls of bacteria are made up of peptidoglycan- a layer of polysaccharide chains cross…

Q: True or False: DNA may be transferred to an objectthrough the medium of perspiration. ___________

A: The biochemical material that is ideally carried from the preceding generations to the succeeding…

Q: what is bibulous paper used for? a. bleaching the benchtop b. cleaning microscope lenses. c.…

A: To view sample sections under microscopes, slides should be prepared. For the preparation of slides,…

Q: Explain the function of water in spore staining.

A: Spores are microscopic units that are accountable for asexual reproduction. Several species of…

Q: For a successful direct staining, one should A. use a minimal amount of water to speed up the…

A: Direct staining is the process to make slides using a single stain or dye.

Q: .The.. . technique of Ziehl- Neelsen known as Kinyoun Method .A cold .B fast .c hot .D .The carbol…

A: Bacteria are ubiquitous , microscopic , prokaryotic organisms which neither possess nucleus nor…

Q: Test the formation of translucent spots of the following oils on a paper and explain the results…

A: Coconut oil and olive oil translucent paper spots: Coconut oil is lipid in nature, whereas, olive…

Q: A capsule stain is kind of: A Simple and Negative Stain B Differential and negative stain C…

A: Introduction  Capsule is the outer most covering, which is present even outside the cell wall. This…

Q: Dyes are used to stain specimens that will be observed using the microscope to   a.  increase the…

A: Ans (d) : Dyes are used to stain specimens that will be observed using the microscope to make it…

Q: Describe what we see in the Figure below, what do the colours indicate/what could they stain for?…

A: By the use of immunohistochemistry (IHC) we can visualise the different components of a cell by…

Q: Which of the following alter name for method of false position? a.Method of chords  b.Regula-falsi…

A: Answer 1- b. Regula-falsi method.  regula falsi method or false position is the method for solving…

Q: Using a light microscope, samples can be viewed by which method (choose all that apply) O dissecting…

A: An optical microscope is another name for a light microscope.

Q: -What are the steps of gram staining -Which of the four steps is the most important and why? - What…

A: Based on the chemical and physical characteristics of their cell walls, the Gram stain is an…

Q: What is being done to increase the availability of microscopes in very poor countries?

A: Microscopes are the instruments which are used to examine the objects that are not visible by the…

Q: a. After conducting the Gram staining procedures and you observed that all cells are stained with…

A: The microorganisms that can be found in several areas of the habitat and come under the category of…

Q: A microscope that maintains focus when the objective magnification is increased is calleda.…

A: A microscope is an instrument that is used to magnify small objects or to know the fine details of…

Q: Fill in the blank (this pertains to microscopes): Check the level of _________________ using the…

A: The diaphragm is a thin opaque structure with an aperture at its center.  Iris diaphragm is an…

Q: In dental offices, the instruments are cleaned in a supersonic bath, then sterilized using UV…

A: UV light - non-ionizing radiation. The penetration power is less. It is a physical mutagen and…

Q: What is the purpose of using a biological stain when microscopically examining cellular components?

A: Staining is a technique that is adopted to enhance the visibility of the specimens under study that…

Q: Why is plate count more sensitive than a microscopic count?

A: Microorganisms such as bacteria are cultured artificially in laboratories, in order to study their…

Q: If the stain is too red to the naked eye, what can be done to correct this? O that is normal O check…

A: Staining is a microscopy auxiliary method used to improve contrast in the microscopic image. Stains…

Q: If you prepared a sample of a specimen for light microscopy, stained it with the Gram stain, and…

A: Bacteria are unicellular prokaryotic microorganisms (nucleus is not enclosed in a nuclear membrane)…

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: List four specimens that are better viewed through a dissecting scope than a compound light…

A: Hello! Since you have asked multiple question, we will solve the first question for you. If you want…

Q: The specimen for an electron microscope is always a. stained with dyes c. killed b. sliced into thin…

A: Electron microscope: It is a microscope which obtains a high-resolution image of non-biological as…

Q: - After you are finished, list each step for the Gram staining procedure. - Which of the four steps…

A: NOTE: AS PER OUR GUIDELINES WE NEED TO ONLY ATTEMPT FIRST QUESTION AND ITS PARTS , PLEASE RESUBMIT…

Q: CHOOSE FROM THE FOLLOWING You should always position the cells or tissues in the center of view…

A: Question -    CHOOSE FROM THE FOLLOWINGYou should always position the cells or tissues in the center…

Q: Light microscopy is used for which image? Image A Image B Image B, on the right O Image A, on the…

A: In the history of biological studies, various new tools and techniques have been developed so as to…

Q: In negative staining, the acidic stain will penetrate the cell. In negative staining, it will create…

A: Introduction Staining is a technique for enhancing contrast in material, usually on a microscopic…

Q: Briefly answer the question below: What is the disadvantage of having a really thick smear when…

A: Smear:- It is used to fix the bacteria onto the slide and to prevent the sample from being lost…

Q: What could be the step in tissue processing is done before this step? A) removing of excess paraffin…

A: Tissue processing is one in which the water from the cell is removed and replaced with a medium…

Q: Give two factors that may affect a good gram staining technique output. Provide an explanation how…

A: Many factors can affect the results of gram staining. However, two important factors that may affect…

Q: In the blueprint experiment, what would be the result of not exposing the print to sunlight for a…

A: Introduction Blueprints are created using the cyanotype process, which was invented in 1842 by…

Q: You should always position the cells or tissues in the center of view before increasing…

A: The magnifying instrument is an apparatus that allows the user to see the various microscopic…

Q: What is/are the purpose(s) of streaking a plate?

A: Streak plate technique is a simple and quick method for observing microorganisms that involves…

Q: The use of the natural source of light collected by the mirror and condensed by the diaphragm is a…

A: Microscope, a tool that magnifies pictures of small objects, enabling the spectator to have an…

Q: Why do detergent powders removes stain?

A: Answer 1: Detergents have the power to clean. Detergents are surfactants. Detergents are amphiphilic…

Q: Give the three disadvantages of using irradiation.

A: Irradiation is a comparatively newer technology of food preservation in which food item is…

Q: Why are tissue specimen stained before viewing them using a micrscope?

A: If tissue and cells are observed under the microscope, then it would be very difficult to analyze…

Q: How is staining techniques useful in the clinical settings

A: Staining: A sample at the microscopic level can easily be visualized and distinguished from the…

Q: In acid fast staining, lipoidal material of acid fast cells absorbs the methylene blue. Upon the…

A:

Q: The bacterium Bacillus anthracis was stained with gram staining, endospore staining, acid-stain…

A: Bacillus anthracis is a Gram-positive and rod-shaped bacterium that causes anthrax, a deadly disease…

Q: The microscopic preparation of the tomato pulp cells was O wet mount and temporary. O wet mount and…

A: Microscope is an optical instrument which has major application in visualizing very small to…

Q: The most important factor in preventing infection in an open wound is Select one or more: а. a…

A: A wound can be best described as a break in the integrity of the skin or of the tissues that is…

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.