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The bacteria you see here is magnified with the 100X objective. Use the ocular micrometer seen...
Review Questions 1 Why did you have to calibrate the ocular ruler at different total magnifications?...
Review Questions 1 Why did you have to calibrate the ocular ruler at different total magnifications? In order to measure a secinrens rolate distance " the lines on the ocular nor. * You measure the length of a cell at 400x total magnification and determine it is 10 micrometers long. What is the length of this cell in millimeters? What is the length of this cell if you measure it at 1000X total magnification? Explain your reasoning 3. The figure...
Experiment 22: The Compound Microscope f2 Object 2 1 (Objective Lens)d L, (Eyepiece) d#150mm The Compound Microsco...
Experiment 22: The Compound Microscope f2 Object 2 1 (Objective Lens)d L, (Eyepiece) d#150mm The Compound Microscope A compound microscope uses two lenses to provide greater magnification of near objects than is possible using a single lens as a magnifier. The setup is shown above. The objective lens, L1, functions as a projector. The object is placed just beyond the focal point of L1 so a real, magnified, inverted image is formed. The eyepiece, L2, functions as a magnifier. It...
C. Answer the following questions as they relate to the microscope. What is the difference between...
C. Answer the following questions as they relate to the microscope. What is the difference between magnification and resolution? Why are both necessary for microscopy? What is the function of the oil used with the oil-immersion lens? What is the effect of omitting it? Why is it imperative to promptly remove any oil that has accidentally spilled on the other non-immersion lenses? D. Examination of Living Bacteria From your observation of the hay infusion, draw and describe what you have...
100. Flare is: (a) the widest frequency of light that can enter an objective (b) the...
100. Flare is: (a) the widest frequency of light that can enter an objective (b) the bending of light as it passes through different substances (c) wavelength/2NA (d) when the beam of light "spreads" wider than the objective's "hole" (e) wavelengths of light too short to enter the objective 101. Coccobacillus shaped bacteria are considered to be_?_ (a) cocci (b) bacilli (c) diplobacilli (d) diplococci (e)answers a and b only 102. This microscope is used for cheap and quick "'diagnosis"...
Please I’m struggling in these questions and I only have one post. Thank you in advance...
Please I’m struggling in these questions and I only have one
post. Thank you in advance
10 1 2 3 4 5 6 7 8 20 The picture above shows a meterstick. The numbers on it are centimeter marks. What is the precision (in unit of meter) of this meterstick? When you use a micrometer to measure the diameter of a rod, you obtained a reading 6.355 mm. If you know the zero offset of the micrometer is 4 micrometer,...
1. You want to observe the size and shape of a cell. What is the easiest...
1. You want to observe the size and shape of a cell. What is the easiest staining technique that you could perform? Name at least one dye you would use during this process. Click here to enter answer - 2. You suspect a patient may have TB. Once a sample has been obtained it is sent off to the lab for an acid-fast stain. If the patient were infected with TB, describe what you would expect to see on the...
LABORATORY 5: WORKSHEET NAME: SECTION: DATE INSTRUCTOR LEARNING CHECK EXERCISES 1. When you view your specimen,...
LABORATORY 5: WORKSHEET NAME: SECTION: DATE INSTRUCTOR LEARNING CHECK EXERCISES 1. When you view your specimen, it is difficult to see because it looks too dark. What part of the microscope might you adjust to correct this? light condensor 2. When you view your specimen it is slightly out of focus, what part of the scope might you adjust to correct this? Fine adjustment Knob. 3. Explain the effect of an increase in magnification on the field of view, and...
9 Geometry via calculus In this exercise you will see one way to use calculus to do grometry a) Here is one way to find the perpendicsler distance from a point to a line L (no caleulus yet) Let&...
9 Geometry via calculus In this exercise you will see one way to use calculus to do grometry a) Here is one way to find the perpendicsler distance from a point to a line L (no caleulus yet) Let's say L has equation y-3r+2 and the point is (2.1) First, make a graph (picture) of the situation 2Now find an equation for the line AM through (2, 1) perpendicular to L (draw it first, of course). 3. Find the (coordinates...
1. Name at least 3 ways you can control the amount of light that reaches the...
1. Name at least 3 ways you can control the amount of light that reaches the ocular lens. 2. Define resolution. What is the limit of resolution for the light microscope? 3. What effect does the wavelength of light used have on resolution? 4. If you view a bacterial smear under the oil immersion lens, but forget to add oil, will the image still be just about as clear as if you had added the oil. 5. Define parfocal. 6....
LAB Genetic Engineering of Bacteria Problem Is it possible to transfer the allele for resistance to...
LAB Genetic Engineering of Bacteria Problem Is it possible to transfer the allele for resistance to the antibiotic ampicillin into a bacterial cell? Objectives After completing this lab, the student will be able to: 1. Demonstrate micropipetting and sterile pipetting techniques for handling and transferring bacteria and plasmid DNA. 2. Maintain sterile conditions for culturing bacterial cells. 3. Inoculate bacteria into flasks, culture tubes, or agar plates. 4. Culture isolated individual colonies from an agar plate to form genetically identical...
Review Questions 1 Why did you have to calibrate the ocular ruler at different total magnifications? In order to measure a secinrens rolate distance " the lines on the ocular nor. * You measure the length of a cell at 400x total magnification and determine it is 10 micrometers long. What is the length of this cell in millimeters? What is the length of this cell if you measure it at 1000X total magnification? Explain your reasoning 3. The figure...
Experiment 22: The Compound Microscope f2 Object 2 1 (Objective Lens)d L, (Eyepiece) d#150mm The Compound Microscope A compound microscope uses two lenses to provide greater magnification of near objects than is possible using a single lens as a magnifier. The setup is shown above. The objective lens, L1, functions as a projector. The object is placed just beyond the focal point of L1 so a real, magnified, inverted image is formed. The eyepiece, L2, functions as a magnifier. It...
C. Answer the following questions as they relate to the microscope. What is the difference between magnification and resolution? Why are both necessary for microscopy? What is the function of the oil used with the oil-immersion lens? What is the effect of omitting it? Why is it imperative to promptly remove any oil that has accidentally spilled on the other non-immersion lenses? D. Examination of Living Bacteria From your observation of the hay infusion, draw and describe what you have...
Please I’m struggling in these questions and I only have one
post. Thank you in advance
10 1 2 3 4 5 6 7 8 20 The picture above shows a meterstick. The numbers on it are centimeter marks. What is the precision (in unit of meter) of this meterstick? When you use a micrometer to measure the diameter of a rod, you obtained a reading 6.355 mm. If you know the zero offset of the micrometer is 4 micrometer,...
1. You want to observe the size and shape of a cell. What is the easiest staining technique that you could perform? Name at least one dye you would use during this process. Click here to enter answer - 2. You suspect a patient may have TB. Once a sample has been obtained it is sent off to the lab for an acid-fast stain. If the patient were infected with TB, describe what you would expect to see on the...
LABORATORY 5: WORKSHEET NAME: SECTION: DATE INSTRUCTOR LEARNING CHECK EXERCISES 1. When you view your specimen, it is difficult to see because it looks too dark. What part of the microscope might you adjust to correct this? light condensor 2. When you view your specimen it is slightly out of focus, what part of the scope might you adjust to correct this? Fine adjustment Knob. 3. Explain the effect of an increase in magnification on the field of view, and...
9 Geometry via calculus In this exercise you will see one way to use calculus to do grometry a) Here is one way to find the perpendicsler distance from a point to a line L (no caleulus yet) Let's say L has equation y-3r+2 and the point is (2.1) First, make a graph (picture) of the situation 2Now find an equation for the line AM through (2, 1) perpendicular to L (draw it first, of course). 3. Find the (coordinates...
LAB Genetic Engineering of Bacteria Problem Is it possible to transfer the allele for resistance to the antibiotic ampicillin into a bacterial cell? Objectives After completing this lab, the student will be able to: 1. Demonstrate micropipetting and sterile pipetting techniques for handling and transferring bacteria and plasmid DNA. 2. Maintain sterile conditions for culturing bacterial cells. 3. Inoculate bacteria into flasks, culture tubes, or agar plates. 4. Culture isolated individual colonies from an agar plate to form genetically identical...
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