Please refer to the image below. Which of the following will leave no stain nor grease on paper after a few minutes of exposure to air? Click all answers that apply  Which of the following will leave a stain but NOT grease on paper after a few minutes of exposure to air? Click all answers that apply Which of the following will turn the paper translucent? Click all answers that apply

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: Explain how to correctly use the microscope using oil immersion.

A: Light tends to bend while entering one material from a different one. The refraction of light…

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: (a) Which would be easier to prepare bacterial smear from, liquid or solid culture? Why? (b) Aside…

A: Introduction A bacterial smear is a small layer of bacteria that has been stained on a slide. A…

Q: I have a microscope with oculars that are 20x and am viewing a slide using oculars that are 50x.…

A: Introduction  An instrument used to magnify small objects called a microscope. Even at the cellular…

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: Crystal violet is an example of what type of stain?

A: A stain is used to clearly view a specimen under the microscope. For staining, a smear of the…

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: Please discuss why staining is important in visualizing microbes under the microscope. What…

A: Staining is an essential step in visualising microbes under the microscope. THE NECESSITY OF…

Q: Which of the following are true about a differential stain. There may be more than one answer!…

A: A microscopic organism made of one cell is referred to as a prokaryote. Prokaryotic organisms do…

Q: Draw and label 3 cell types at low and high power. State the magnification for each one

A: Microscopes enable us to magnify specimens. In simple terms , magnification is an increase in size…

Q: Why do some scientists use immersion fluids when looking at their microscope slides? Increases the…

A: Microscope is the most important equipment in scientific study and research. It is used to magnify…

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: The following questions talk about increasing magnification in microscopes. Please answer questions…

A: 1) after the specimen is in focus, where should you position the specimen in the field of view…

Q: Fill in the charts below. For your actual microscope, you will find the magnifications of the ocular…

A: Magnification of a microscope is the product of individual magnifying power of ocular lens and…

Q: 2. What would the total magnification be if a microscope had 15X ocular lenses and 4X, 10X, 45X and…

A: 2) The total magnification of a microscope is magnification of objective lens × magnification of…

Q: FOV measured at 100x total magnification is 400 micrometers. What is the FOV at 40X total…

A: NOTE: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question…

Q: Select all of the following that represent examples of positive stains. A) nigrosin B) methylene…

A: Staining is a technique usually employed to enhance the contrast of specimens in microscopy. Many…

Q: Complete the table below. For the function, identify the reagent if it is a stain, clearing agent,…

A: Answer : The function of reagents are :  1- FAA : fixative  2- ethyl alcohol : chemical solvent  3-…

Q: .Leifson's stain is made up of tannic acid, basic fuschin stain prepared in alcohol base .A .B F .c…

A: Leifson's stain is a method used to identify the infections of the Helicobacter pylori bacterium.…

Q: which among the following will not produce a translucent spot when placed in a paper? a. none of…

A: Oils and fats are major components of our body and play a vital role in growth, maintenance of…

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: Why is it necessary to use oil in conjunction with the oil immersion lens? Check All That Apply The…

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

Q: Which of the following statements is FALSE?   Question options:   increasing wavelength improves…

A: Statement 1 is false i.e. increasing wavelength improves ones ability to view microscopic…

Q: The following is an UV-Vis schematic diagram. Based on this diagram, answer the following questions:…

A: UV-vis spectrophotometer A spectrophotometer is an instrument or apparatus that is used in the…

Q: 13.  Which of the following will absorb and decolorize the highest amount of iodine solution? Click…

A: Since this mage contains multiple questions and you haven't indicated which question to be answered,…

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: the figure shows the result of the spectral analyzer for paper spectrophotometer without any…

A: Paper spectrophotometry is used in printing industry. In the printing industry, a spectrophotometer…

Q: Give three situations where the negative staining procedure would be used.

A: Negative staining is a specimen preparation technique that requires an acidic dye such as India Ink…

Q: List the Comparison of Positive and Negative Stains.

A: A light microscope is the most commonly used microscope for viewing specimens. The specimens that…

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: In light microscopy, when magnification is increased, the lens focuses closer to the sample.  This…

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

Q: In order to have a better visualization of the shape acid the fast stain, you should do the…

A: Use of carbol fuchsin on the bacteria and heating it p, makes the cell appears red, presence of…

Q: Select all of the following that represent examples of positive stains. Check All That Apply…

A: Staining is the common laboratory procedure which can be specific and general according to the use.…

Q: write a complete note on the correct steps to do oil immersion on a microscope. in your own words

A: In light microscopy, oil immersion is a technique being used to increase the resolving power of a…

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: List the primary stain, secondary stain, mordant, and decolorizer for the gram stair and write them…

A: The strains in the plate is give on two strains the primary strain and secondary strain. The primary…

Q: What is the proper method of cleaning the microscope? Select an answer. a. Change the magnification…

A: Compound microscopes should generally be serviced after about 200 hours of use.

Q: move the images of bacterial cells into the chart to illustrate the color of gram-positive and gram…

A: answer given below

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: You have a patient sample and have done a Gram Stain. When you look on the microscope, this is what…

A: After a clinical sample is received in the laboratory, the first step often is to do a mandatory…

Q: My field is COSMETIC SCIENCE What information can be obtained from UV-vis Spectra and how this can…

A: Ultraviolet Visible spectroscopy (UV-Vis spectroscopy) is an analytical technique, which measures…

Q: At what magnification you can see the largest area on your slide? 2. At what magnification you can…

A: Microscopes are used for viewing those specimens which are very minute and cannot be seen through…

Q: Make a list of what image faults one may encounter in radiology and list what the reason for this…

A: Radiology imaging: In radiology, the images of different body parts are recorded which are analysed…

Q: In absorption spectrophotometry: a. Absorbance is directly proportional to transmittance b. Percent…

A: Atomic absorption spectroscopy (AAS) depends on the rule that free molecules in the ground state can…

Q: Stereomicroscopes Bright field microscope Dark field microscope Fluorescence microscope Phase…

A: Microscope is used to view the very fine details of the specimen. these may be stained or unstained…

Q: Of the four major types of microscopes, give an example of a scenario in which each would be the…

A: Electron microscopy is a tool that allows us to see tiny images of objects that would otherwise be…

Q: In order to get the best resolution possible with a light microscope, you would want: Short…

A: Light microscope :- This is a type of optical microscope, where visible light and lenses are used to…

Q: Higher energy x-ray devices Less energy x-ray devices Both Characteristics of Light that can be…

A: Hello, Thank you for posting questions. We follow company rules of answering one question at a time…

Q: How do photopigments separate when performing paper chromatography? Most soluble pigment will stay…

A: Paper chromatography is a technique which is used to separate the mixture by using a moving solvent…