QUESTION 56 What is the name of the device that selects the wavelength at which measurements are to be taken with the spectrophotometer? O Light source O Photometric system Galvanometer Monochromator Phototube
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A: Spectroscopy :- Spectroscopy is basically an association of electromagnetic radiation with atoms ,…
Q: QUESTION 2 The LIGHTER the solution the GREATER its absorbance. O True False QUESTION 3 A particular…
A: 2. The absorbtion is directly proportional to the concentration of the solution. It means if the…
Q: Question 24 is the amount of space an object takes up O volume O length mass O density
A: Matter It is thing which occupy space and have some mass.
Q: QUESTION 52 Which of the following researcher(s) was the first to Isolate nucieic acids (nuclein)…
A: DNA is the genetic material of almost all living organisms. It contains the information that is…
Q: Question 13 Which of the following media:selective ingredients is incorrectly matched Saboraud…
A: Selective media is used for the cultivation of only one selected type of microorganism.
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: Question 3 Describe the key properties required of radioisotopes used for () medical Imaging (gamma…
A: Isotopes are the substances that have similar number of the protons but different neutrons.…
Q: Conversion question: 3.357 meters = 0.000003357 micrometers 3357 micrometers O 0.003357 micrometers…
A:
Q: QUESTION 10 List 2 things that will reduce light penetration into a lake: For the toolbar, press…
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Q: Which of the following types of photons (packets of pure electromagnetic energy) have the highest…
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Q: Question 13 Which of the following is a neutral subatomic particle? O 1. neutron O 2. proton 3.…
A: Atom is the smallest particles of matter which can't be broken down further.
Q: O 1) brightfield O 2) TEM 3) fluorescent O 4) confocal O 5) phase contrast
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A: Gases are of different types with different properties. Some have a specific color, some have a…
Q: Question 3. The nutrient broth is a basic media used for growing a broad variety of microorganisms…
A: Widely used general-purpose nutritive media. Used for cultivating a broad range of bacteria.…
Q: Question 15 While viewing a slide under the microscope, I can use 100 x lens directly. O True False
A: Question: While viewing a slide under the microscope, I can use 100x directly?
Q: Question 10 Total Magnification of a microscope is O 1. Product of Ocular Lens and objective lens…
A: Introduction :- A microscope is a device that allows you to examine small objects, including cells.…
Q: QUESTION 48 What happens to the amount of light available when the magnification of the microscope…
A: Microscopy is the technique that is used to visualize objects that are not visible to the naked…
Q: Question 3. The nutrient broth is a basic media used for growing a broad variety of microorganisms…
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Q: QUESTION 5 In the blind spot test, when the dot focuses on the blind spot of your retina, what…
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Q: QUESTION 1 A metric ruler was placed under the microscope and using the low-power objective (10x), a…
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Q: Can you please help me with this lab question . Examine Figure 1 above and answer Questions 1–6.…
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Q: What is the wavelength of a 6.76 x 1012 /s wave?
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Q: Assume that you have an “X" solution that you do not know its concentration. But you have other X…
A: The spectrophotometric methods is used to measure the absorbance of a sample by measuring the…
Q: QUESTION 4 Light rays reflecting from objects that are very close than light rays reflected from by…
A: Eye is the essential part of the body. It is used for viewing the objects.
Q: Question 44 You learned about the Bio Safety Level (BSL) ccategories in Microbiology Lab, which of…
A: Biosafety is basically the application of conditions under containment under which the manipulation…
Q: QUESTION 67 Specimens viewed through the microscope appear: O reversed (upside down) and inverted…
A: Handling instruments properly is an important part of any scientific experiment.
Q: Question 5 What is the total magnification of a sample with an ocular lens power of 15X and using a…
A: A compound microscope has two lens one is ocular or eyepiece lens and objective lens. Objective lens…
Q: Question 4 What are the magnification abilities of each of the objective lenses? Scanning ( small…
A: Magnification abilities of each objective lens:
Q: What are the significance of UV/Vis spectrophotometer in the experiment complexation.
A: UV/VIS spectrophotometer is the technique used to determine the optical properties such as…
Q: Question 30 Which of the following is correct while performing colony count on a microbial culuture…
A: A growth medium is intended to promote the growth of a variety of microorganisms or cells by the…
Q: Question 2. After sterility test of an injectable it was observed that an injection is failed the…
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Q: QUESTION 64 When transferring 0.8 mL of a chemical from its source to a test tube, which of the…
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Q: which of the following parts of the spectrophotometer covents light energy into electrical energy.…
A: Spectrophotometer is used to measure light absorption or the amount of chemicals in a solution. Its…
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Q: Question 18 For each of the following description, determine whether it describes a Compound or…
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Q: Question 9 Rivers have never caught on fire before. O True False
A: Rivers have never caught on fire before. O True O False
Q: QUESTION 12 Plotted in this graph are the results of two fluorescence recovery after photobleaching…
A:
Q: Question 33 It is extremely important for swabbed patient's samples to be collected in…
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- What is the highest magnification of the following microscopes?Bright fieldDark fieldPhase-contrastFluorescenceConfocalScanning EMTransmission EMScanned-ProbeHow does the compound microscope achieve magnification? resolution? Cite your reference/s if possible.For a microscope that has an objective lens magnification of 100X and an ocular lens magnification of 5X, calculate the total magnification. 500X O 1000X O 50X O 100X O No listed answer is correct.
- Identify the indicated microscope part from the following choices: ○ Stage O Coarse knob O Objective lens Condenser lens O Ocular lensWhat are the advantages of using super-resolution microscopyversus standard fluorescence microscopy?1. 2. Construct a unit concept map to show the relationships among the following set of terms. Include all of the terms in your diagram. Your instructor may choose to assign additional terms. coarse adjustment knob condenser field diameter iris diaphragm substage light working distance micrometer resolving power total magnification stage 64 UNIT 4| The Microscope
- The significance of using immersion oil when using 1OOX objective lens is The significance of using immersion oll when uskng 100X objective lens is: It will increase the contrast by having same refractive index as the lens, loss of light by refraction, reflection and diffraction is minimized. the specimens need not be killed, fixed and stained more light is captured for better illumination, allowing the specimen to fluoresce i. il. iii. iv. A light microscope should have the following features contrast Resolution magnification fluorescence ii. iv.Simple staining is often necessary to improve contrast in which microscope? fluorescence microscope O clectron microscope O darkfield microscope compound light microscope O phase-contrast microscopeGiven: The used ocular objective while taking this image, has magnifying power of 6x The used objective while taking this image, has a magnifying power of 100x The used stage micrometer has spaces graduation of 01 mm each Ten (10) graduations pn the ocular micrometer conincided with two (2) graduations on the stage micrometer Question: What is the total magnification of the image under microscope? Show your solution.
- Comparison of the different objectives of the compound microscope Point of Comparison Scanner LPO НРО O1O Degree of magnification (X) 4х 10x 40x 100x Details of the specimen (least to most detailed) Area of field of view (smallest to biggest) Brightness of image (dimmest to brightest ) Working distance (mm)Differentiate between the limit of resolution of the typical light microscope and that of the unaided human eyes the relationship between the depth of field and magnification is that When magnification increases, the depth of field decreases. Name two procedures (steps) you should do to achieve the maximum resolution when using the oil immersion lens State the relationship between the working distance of an objective lens and its magnification power “The coarse focus knob can be used to adjust the focus when using any of the objective lenses”. Is this statement true or false? If it is false, please correct it. When using the oil immersion lens but you cannot focus, what should you should not do? And what you should do? What does this statement mean: “Your microscope is parfocal”? What is the significance of condenser lens? Multiple choice question: The most useful adjustment for increasing image contrast in low power magnification is _______ Closing down the diaphragm Closing one…If the total magnification of a microscope is 700X and the ocular lens magnifies by a factor of 10x, what is the magnification of the objective lens that was used? Paragraph BIU