List four specimens that are better viewed through a dissecting scope than a compound light microscope  Explain why parfocal imaging is important, especially when viewing very small specimens using the high power objective.

Q: What information can be obtained from the slides prepared by wet mount and hanging drop technique…

A: A wet mount is produced by putting a fluid solution on a slide, suspending a specimen in it, and…

Q: Compare and contrast how dark-field, phase-contrast, differential interference contrast,…

A: The technique by which the smaller or minute particles are magnified for studying the features is…

Q: If 5X instead of 10X oculars were used with the same objectives now on your microscope, what…

A: Microscopy means the use of microscope for studying the cells. Microscope is an indispensable…

Q: What are the main characteristics of scanning electron microscopy?

A: Electrons are the negatively charged particles having minus 1 charge  and represented by e- ,…

Q: Alternatives used on a light microscope might improve vision by using a different light source. Name…

A: Microscopes are used to observe specimens or samples of a minute size that cannot be observed by the…

Q: Would phase microscopy be of any particular value when examining a stained specimen? Explain

A: The area or field of study in which microscopes are used to view an object that cannot be seen…

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: discuss the microscopy technique that gives the best constrast image of non biological samples such…

A: Microscopy is an instrument used to magnify the size of the objects or particle which cannot be seen…

Q: a.  Do you open both eyes or close one eye when viewing a specimen under a microscope? Why? Why not?…

A: a). Most of the microscopists do close one eye,  to avoid eye strain by keeping both eye open. But…

Q: Why is depth of field important in studying biological structures? How can it affect your ability to…

A: Microscopy is a technique that is used to visualize objects that are not visible to the naked eyes.…

Q: List two ways that a stereoscopic dissecting microscope differs from a compound microscope

A: The stereoscopic dissecting microscope is often used to study the surface of specimens. The compound…

Q: For which types of specimens is darkfield microscopy preferred over brightfield microscopy?

A: Microscope is an instrument used to view objects and organisms that are too small to be seen by…

Q: Label the parts of the compound microscope (a) through (g)and indicate their function. (a)…

A: Compound microscope is microscope with two or more convex lenses. A light source is used to…

Q: D) When performing fluorescence microscopy what are the stokes shift and why is it better  to have…

A: Answer: Fluorescence Microscopy  In fluorescent microscopy , the specimen we use is either…

Q: What are two things that can be done to improve contrast on a microscope?

A: Contrast refers to the darkness of the background relative to the specimen.

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: What description best describes the compound light microscope? Uses a beam of electrons is…

A: Microscopes are used for magnification and hence visualisation of small and ultrasmall objects.…

Q: Describe 3 simple ways of preparing microscope slides for light microscopy

A: The optical microscope, often known as a light microscope, is a type of microscope that employs…

Q: What advantages do confocal and deconvolution microscopy provide in comparison to conventional…

A: Confocal microscopy uses light from laser, elimination of background information away from the focal…

Q: Use the lens magnification values in the table below and the sample cell (viewed under low power)…

A: 1) total magnification of microscope can be calculated by using formula-  Total magnification =…

Q: Write in digital format please Describe the step-by-step process for taking micrographs on a…

A: Transmission electron microscopes use a beam of electrons to produce high-resolution images of a…

Q: principle of basic spectrophotometer

A: Spectrophotometer is an advanced instument which measures the amount of light absorbed by a sample.…

Q: The most widely used type of light microscope is the

A: A microscope is an instrument that can magnify specimen which is otherwise too small to be seen,…

Q: Describe the process of bringing a specimen into focus using a compound light microscope.

A: A microscope is an instrument that can magnify specimen which is otherwise too small to be seen,…

Q: what is the steps necessary to produce electron microscopy photos (from the organism to the picture)

A: An electron microscope is a microscope that uses a beam of accelerated electrons as a source of…

Q: What is the function of the microscope diaphragm?   source of light condenses light from the light…

A: Microscope is an optical device that is used for observing the different objects that are invisible…

Q: Describe the conditions under which dark-field microscopy is the best choice for viewing specimens.

A: Darkfield microscopy is a method of microscopy in which the images are excluded from the unscattered…

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: What is the advantage of phase-contrast microscopyover bright-field microscopy?

A: Phase-contrast microscopy is an optical microscopy technique that converts phase shifts in light…

Q: How to properly calculate the total magnification of a microscope

A: Microscope is used to magnify an object and it will helpful to visualise the parts of the objects in…

Q: Provide an example that illustrates the difference between low and high contrast. List the parts of…

A: The microscope that uses light as a source of illumination is called a light microscope. A light…

Q: What is an electron micrograph? Why do electron micrographshave greater resolution than light…

A: Microscope helps to observe the organisms or objects that cannot be seen by our naked eye because…

Q: The above photograph (IMAGE ATTACHED) of a cheek smear was obtained using the high-power objective…

A: The eyepiece graticule is a scale that is placed in the eyepiece of a microscope containing scales…

Q: Explain the difference between a transmission electronmicrograph (TEM) and a scanning electron…

A: A microscope is a laboratory instrument that is used to examine objects that are too small for the…

Q: Explain the use of the oil immersion objective of the compound light microscope.

A: To observe small tiny elements microscopes are used. micro means small and scope means…

Q: Introduce and explain comprehensively  the process of calculating the final magnification of…

A: A microscope is a device that magnifies an object so that the spectator can see it. A microscope is…

Q: compound microscope achieve magnification? Resolution

A: Answer:

Q: Which Two types of electron microscopy are in routine use in microbiology? Explain

A: The electron microscope is an instrument that uses the beam of electrons to examine objects on a…

Q: Explain in detail simple and differential staining and also improving and adjusting contrast in…

A: Staining is a chemical method which is used to colour the organism or the cell so that it is viewed…

Q: What are the proper handling and use of a compound  microscope.

A: The world is filled with tiny organisms or microorganisms that are not visible to the naked eye.…

Q: Distinguish scanning tunneling from atomic force microscopes in terms of how they create images and…

A: The optical microscopes which use visible light and lenses for magnifying images have disadvantages…

Q: Why is it necessary to cut thin sections of the tissue sample from a specimen using a microtome?

A: Microtomes are specialized cutting instruments that produce very thin slices of tissues so that the…

Q: Explain why parfocal imaging is important, especially when viewing very small specimens using the…

A: Parfocal imaging involves the use of a parfocal lens that helps to keep the focus when the…

Q: After clicking the objective into position, which adjustment knob(s) can you use to safely refocus…

A: Question - (1.) - After clicking the objective into position, which adjustment knob(s) can you use…

Q: Why would specimens viewed with a compound microscope be thin and/or chemically cleared?

A: The human eye can see objects upto 0.1 millimeters. If the objects are smaller than this, the human…

Q: What is the purpose of examining your specimen slide using low power objective first nefore high…

A: Objective lens are magnifying lens that functions to magnify an image. These lens make an important…

Q: How does the compound microscope achieve magnification? resolution? Cite your reference/s if…

A: Answer

Q: Describe how the images obtained using a confocal microscope would appear different to those…

A: There are many objects that cannot be seen with naked eye. To see such objects an instrument like…