Q: The process that most accounts for magnification is a. a condenser c. illumination b. refraction of…
A: Magnification means the image produced is more than the size of the object.
Q: The resolving power of a microscope is a function of a. the magnifying power of the lenses. b. the…
A: The typical compound light microscope is capable of increasing our ability to see so that objects as…
Q: Explain when to use bright-field, phase-contrast, dark-field, fluorescence, transmission electron,…
A: There are different types of microscopy like bright-field, phase-contrast, dark-field, fluorescence,…
Q: Transmission Electron Microscopes allow us to see structures at a high resolution. When do we use a…
A: INTRODUCTION Fluorescence microscope The fluorescence microscope is any microscope that use…
Q: You have a microscope equipped with 10 x oculars and 4 objectives, which exhibit the following…
A: Objective lens The objectives lens have various magnification powers with common values of 4x, 10x,…
Q: A researcher was measuring the absorbance of yellow food coloring. What wavelength should he use on…
A: Light is a form of radiant energy, it is a narrow band of energy within the continuous…
Q: Objective lens X has a limit of resolution equal to 0.2 mm while objective lens Y has 30 µm. a.…
A: * object lens is the optical element which gathers light from object and focuses light rays to…
Q: 1 Repeat the above procedure on the high-power (40x) objective. When increasing magnification, what…
A: A microscope is used to study even the minute microscopic particles or organisms. The major parts of…
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: 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: Cite the advantages and disadvantages of the two compared microscopes a. Bright-Field vs Dark-Field…
A: Microscopy is an analytical technique used in all fields of life science. It is used to magnify and…
Q: Resolution is __________ with a longer wavelength of light.a. improved. c. not changedb. worsened.…
A: How well a microscope works is determined by the resolution of a microscope. Resolution may be…
Q: It is desirable that the microscope objectives be parfocal because the specimen will be…
A: Microscopic organisms are small organisms that are not visible to the naked eye and can be seen only…
Q: Select ALL the correctly matched terms: a. Immersion oil/ Oil with a different refrative index than…
A: diffraction is a physical phenomenon in which the light waves bend when meet with an obstacle like a…
Q: What are the light sources used in UV-vis spectrophotometry
A: Spectrophotometer is an instrument used for measuring the concentration of solutes in solution by…
Q: Which objective lens provides the greatest field of view? a. high. b. 100X c. low d. This depends on…
A: * An objective lens determines the performance or function of optical microscope to provide an…
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 do we have to start with the lowest magnification to examine a new slide? a) If the light is too…
A: Microscope is an instrument used to see minute / microscope sample very clearly . It consists of two…
Q: Microscope
A: Introduction Microscope an important laboratory to instrument which used See those Small objects…
Q: You gather the following result from the Bile Esculin Test :a. Please interpret & analyze this…
A: The bile-esculin test is commonly used to distinguish enterococci and group D streptococci, which…
Q: Can colorless samples be analyzed using a UV-Vis spectrophotometer? Yes or No or Maybe?
A: UV-Vis Spectroscopy It is defined as a quantitative technique that is used to identify the…
Q: What are the light sources used in UV-vis spectrophotometry.
A: In case of visible spectrophotometers, the wavelengths measured are in the visible light range…
Q: The third micrograph is at the lowest magnification. Identify A (name of the cells; blank 1).…
A: These micrographs are of the organ :- Spinal cord
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: Between wet mount and hanging drop slide preparations, which is more resistant to evaporation? Which…
A: Bacteria are member of a large group of unicellular microorganisms. It has cell walls but lacks…
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: The primary difference between a TEM and SEM is in a. magnification capability b. colored versus…
A: Electron microscopy is widely used to obtain high-resolution images in various domains of science.…
Q: What is the rule for determining total magnification? A. Ocular lens magnification + objective lens…
A: Microscopy is a technique of incorporating microscopes to enlarge the size of objects (invisible to…
Q: Give a specific example on how to use UV-Vis spectrophotometer in medtech-medical field. Provide a…
A: UV-Vis spectroscopy It is also called absorbance spectroscopy as it allows the analysis of the…
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: Field of View [ Choose ] occular lens x objective lens the…
A: The field of view is defined as the maximum amount of area visible when looking through the eyepiece…
Q: What happens to image resolution as the distance between a patient and a parallel hole collimator…
A: Medical imaging is a technique that refers to various different processes and techniques in order to…
Q: Define each of the following terms: A) What is resolution and how is resolution related to the…
A: According to the question, we have to provide the solution of the questions one by one. These…
Q: When using the 10x lens to view a specimen, what is the total magnification of the specimen to the…
A: When using the 10x lens to view a specimen, what is the total magnification of the specimen to the…
Q: Microscopic samples can be stained. the stains are used to increase and improve O resolution and…
A: Staining It is defined as a technique through which the cells or thin sections of biological tissue…
Q: Resolution is ______with a longer wavelength of light. a. improved c. not changed b. worsened d. not…
A: Resolution means minimum distance between two distinct points. It is an important factor in…
Q: Which of the following is not an aim of fixation? A. To prevent putrefaction B. Remove excess…
A: Tissue fixation is one of the steps of sample preparation for the observation under an advanced…
Q: regarding the slit lamp .A it uses diffuse illumination only .B
A: A slit lamp is kind of instrument that consist a high-intensity light source that can be focused to…
Q: Can someone explain the concept behind a sample that lies in the UV range in a spectrophotometer?…
A: UV spectroscopy or UV–visible spectrophotometry refers to absorption spectroscopy or reflectance…
Q: What is the purpose of adding a colored dye to human cheek cells in preparation of its wet mount?…
A: Cheek cells secrete a non-stop delivery of mucin, the principal element of mucus. In aggregate with…
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: Give a specific example on how to use UV-Vis spectrophotometer in Cosmetic Science. Provide a…
A: The UV/Vis spectrophotometer is thermo Scientific Multiskan SkyHigh Microplate Spectrophotometer.…
Q: Why did we calculate, rather than measure, the diameter of the field of view on medium and high…
A: A microscope is an instrument used to visualize objects that are extremely small in size and cannot…
Q: Photoelectric effect increases the _________ in an x-ray image while Compton scattering increases…
A: X-ray is the procedure through which visualization of different body parts is done so that any…
Q: The resolving power of the microscope reveals: a. Whether or not oil is needed to see a…
A: The instrument that is utilized in the laboratories to visualize the objects or structures that are…
Q: While using a microscope, when do you use immersion oil? a. When viewing a slide under the 100x…
A: INTRODUCTION When viewing stained smears under 100x we use immersion oil. That can increase…
Q: Objective lens A has a limit of resolution equal to 0.2 mm while objective lens B has 30 μm. a.…
A:
Q: Which of the following has the shortest wavelenght? A. Radiowave B. infrared c. visible light d.…
A: The question asks about the correct option for having the shortest wavelength.A). Radio-waves B).…
Molecules are tagged by antibodies in __________ microscopy.
Confocal
Differential interference contrast
Fluorescence
Brightfield
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- My field is COSMETIC SCIENCE What information can be obtained from UV-vis Spectra and how this can be applied in your chosen field? (maximum of 500 words)Iris images are taken with normal visible wavelengthpictures, as well as pictures in the______ band.These are cheek cells at 1000X. If the field of view at scanning power is 5mm, A. what is the field of view on Immersion oil in um? A/ B. How big is one cell in um rounded up to nearest whole number? A um 80 09 um
- As with standard phase contrast microscopy,differential-interference contrast microscopy depends on differences in the ___________________ of a speciment to create high-contrast images. a. refractive index b. light absorption c. natural fluorescence d. walls and coverings e. natural pigmentationB. Write the function/s of each part of the microscope listed below. a. Eyepiece b. Draw tube c. Hemispheric prism housing d. Dust shield e. Revolving Nose Piece f. Objectives: Scanner LPO HPO ΟΙΟ g. Arm h. Coarse Adjustment knob i. Fine adjustment knob j. Slide holder & clip k. Rear knob I. Front knob m. Central aperture n. Condenser o. Iris diaphragm p. Mechanical Stage q. Mirror r. Mirror rack s. Stage adjustment knob t. BaseWhich microscopy technique is BEST at determining the presence of physical microbial interaction(s)? a Light microscopy. b Scanning or transmission electron microscopy. c Fluorescent microscopy. d Phase contrast microscopy.
- a. How was the specimen prepared for the microscopy technique applied? (for e.g. stained with H&E stain, Gram stain, unstained) b. What is the microscopy technique and magnification used to obtain this image? c. What is the basic principle of image formation using this microscopy technique? d. What can be observed and concluded from the image of the specimen? e. Are there any potential aberrations present in this specimen image? Describe these and how they may affect interpretation of the result.The third micrograph is at the lowest magnification. Identify A (name of the cells; blank 1). Identify B (name of the structures arrows point to; blank 2) - Identify C (name of the structures arrows point to; blank 3) High mag low mag high mag Blank # 1 Blank # 2 Blank # 3Explain the photo clearly, please.
- Can you please help me with this lab question . Examine Figure 1 above and answer Questions 1–6. 1. Describe the relationship between the UV Index (the colored bar in Figure 1) and latitude (y-axis). 2. How do you explain the relationship between the UV Index and latitude? (In other words, why does UV intensity change with latitude?) 3. Find your approximate location on the map. What is the primary UV Index value of your state on this particular day in September? _________ 4. Look at the regions that receive the most-intense UV (light pink). Site a specific piece of evidence from the map that a factor other than latitude was contributing to UV intensity on this day. 5. In the film, Dr. Jablonski explains that melanin, located in the top layer of human skin, absorbs UV radiation, protecting cells from the damaging effects of UV. Genetics determines the type of melanin (i.e., brown/black eumelanin or red/brown pheomelanin) and the amount of melanin present in an individual’s…A student using a microscope measured the low power field diameter to be 7.1mm. The student then switched from the low power (4x) objective lens to the medium-power (10x) objective lens. Assuming a 10 x ocular (eyepiece) lens, the medium power field diameter is ____ um um is micrometersdocs.gobgle.com/forms/d/e/IFAI StoxznkrliW21Qhtw-IHboni farmkesponse The amount of light entering the eye is determined by the size of the: The pupil The lens O The cornea O The fovea When a photopigment is exposed to light, the pigment O Turns a rosy pink O Is released from the axon terminal ODegrades into an opsin and a retinal O Undergoes a change in electrical charge Retinal ganglion celils of the ON" type: OFire randomly to light and dark.conditions Record an excitatory burst of potentials to a light placed within a circular center