Homework Answers
CONDENSER
The prime function of the condenser is to collect and focus the light on the specimen while the diagphram control the amount of light that reaches the speciment. Nosepiece is that part of the microscope that holds the objective lenses and can revolve. Coarse and fine adjustment knobs can be used to focus the specimen so that we get a closer look of our specimen.
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Question 7 0.25 pts Which component of the microscope focuses light onto the specimen? diaphragm fine...
Question 6 0.25 pts Which microscope component should be used to make small, precision adjustments to...
Question 6 0.25 pts Which microscope component should be used to make small, precision adjustments to the focus of your specimen? O nose piece condenser O diaphragm fine focus knob coarse focus knob Question 7 0.25 pts
Which of the following demonstrates the proper use of the compound light microscope? A. When using...
Which of the following demonstrates the proper use of the compound light microscope? A. When using the oil immersion lens, we can also use the coarse adjustment knob to focus to get a clearer image. B. We should adjust the iris diaphragm to allow more light in at higher magnifications. C. If we are not able to get a clear image with the oil immersion lens, we should bring the high dry(40x) into position to refocus. D. When viewing a...
Lab activities and worksheets Read through this section before you get to lab so you are...
Lab activities and worksheets Read through this section before you get to lab so you are aware of what you will be doing for this lab. Microscope labeling It is important to know the structure of something in order to know how it works and how to use it. Use the following list of parts of a compound microscope to label the diagram. Be sure to understand the functions of each part. Ocular: this is the lens at the top...
QUESTION 6 When viewing lide, which should you begin with? (Pick the best answer) QUESTION 7...
QUESTION 6 When viewing lide, which should you begin with? (Pick the best answer) QUESTION 7 What part of the Inverted microscope is different than on a brightfield microscope? The coarse adjustment knob All of these The objective lens magnification, The fine adjustment knob The light path The stage QUESTIONS When switching from the high-dry objective to the oil immersion lens on a light microscope, which of the following steps would you NOT perform? Placing a drop of immersion oil...
Objective lens Refracted (lost) light rays, VY Immersion oil Slide Condenser - ( Light source Figure...
Objective lens Refracted (lost) light rays, VY Immersion oil Slide Condenser - ( Light source Figure 2 Refractive index in air and in mineral oil Carrera attachment Eyeplece focular lens) Light pathway LU Arm Body tube Objective Coarse and fine focusing adjustment knob Stage Light source Spircimen Condenser Illuminator Figure 3 Pathway of light in a compound scope Microscopy/Microscopic Examination of Stained Cell Preparations Q8 Use Figure 2 and 3 in the lab info to answer the following question. Which...
Name: Match each microscope component with its description or function. 1. Objective _2. Ocular __3. Condenser...
Name: Match each microscope component with its description or function. 1. Objective _2. Ocular __3. Condenser 4. Diaphragm a. gathers light rays and focuses on object b. eyepiece c. magnifying element located on nosepiece d. disk with an opening that adjusts amount of light that contacts specimen Match each reagent of the Gram stain with its description or purpose. __5. Crystal violet ___6. Gram's iodine ___7. Acid alcohol 8. Safanin a. Secondary or counterstain b. Mordant C. Primary stain d....
EXERCISE 1:USE AND CARE OF THE MICROS D CARE OF THE MICROSCOPE 11. Alter use, remove...
EXERCISE 1:USE AND CARE OF THE MICROS D CARE OF THE MICROSCOPE 11. Alter use, remove the slide, wipe oil of it, put dist cover on the microscope, and return it to the designated area. 12. When a problem does with the microscope obtain help from the instructor. Do not use other microscope unless yours is declared out of action." FIGURE 14 Focusing the condenser. () Ching low power, lower the condenser til distinct circle of light is visible. Cester...
Question 24 (1 point) Which of the following controls the amount of light entering the specimen?...
Question 24 (1 point) Which of the following controls the amount of light entering the specimen? a) Ocular lens b) Body c) Iris diaphragm d) Condenser e) Objective lens Question 25 (1 point) After binary fission, daughter cells will differ genetically a) True b) False MacBo 20 esc F2 F3 EA FI 2
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....
Draw the slide under 400X. Indicate the cell type, magnification, and estimate the cell size. 14....
Draw the slide under 400X. Indicate the cell type, magnification, and estimate the cell size. 14. Elodea 1. Prepare a wet mount of an Elodea leaf (Anarcharis). You will use one glass slide and cover slip for this entire lab. After preparing each slide, remove the specimen and throw it into the trash. Wash the slide in the sink. Dry the slide with a paper towel very carefully and pat the cover slip dry so that the plastic does not...
Question 6 0.25 pts Which microscope component should be used to make small, precision adjustments to the focus of your specimen? O nose piece condenser O diaphragm fine focus knob coarse focus knob Question 7 0.25 pts
Lab activities and worksheets Read through this section before you get to lab so you are aware of what you will be doing for this lab. Microscope labeling It is important to know the structure of something in order to know how it works and how to use it. Use the following list of parts of a compound microscope to label the diagram. Be sure to understand the functions of each part. Ocular: this is the lens at the top...
QUESTION 6 When viewing lide, which should you begin with? (Pick the best answer) QUESTION 7 What part of the Inverted microscope is different than on a brightfield microscope? The coarse adjustment knob All of these The objective lens magnification, The fine adjustment knob The light path The stage QUESTIONS When switching from the high-dry objective to the oil immersion lens on a light microscope, which of the following steps would you NOT perform? Placing a drop of immersion oil...
Objective lens Refracted (lost) light rays, VY Immersion oil Slide Condenser - ( Light source Figure 2 Refractive index in air and in mineral oil Carrera attachment Eyeplece focular lens) Light pathway LU Arm Body tube Objective Coarse and fine focusing adjustment knob Stage Light source Spircimen Condenser Illuminator Figure 3 Pathway of light in a compound scope Microscopy/Microscopic Examination of Stained Cell Preparations Q8 Use Figure 2 and 3 in the lab info to answer the following question. Which...
Name: Match each microscope component with its description or function. 1. Objective _2. Ocular __3. Condenser 4. Diaphragm a. gathers light rays and focuses on object b. eyepiece c. magnifying element located on nosepiece d. disk with an opening that adjusts amount of light that contacts specimen Match each reagent of the Gram stain with its description or purpose. __5. Crystal violet ___6. Gram's iodine ___7. Acid alcohol 8. Safanin a. Secondary or counterstain b. Mordant C. Primary stain d....
EXERCISE 1:USE AND CARE OF THE MICROS D CARE OF THE MICROSCOPE 11. Alter use, remove the slide, wipe oil of it, put dist cover on the microscope, and return it to the designated area. 12. When a problem does with the microscope obtain help from the instructor. Do not use other microscope unless yours is declared out of action." FIGURE 14 Focusing the condenser. () Ching low power, lower the condenser til distinct circle of light is visible. Cester...
Question 24 (1 point) Which of the following controls the amount of light entering the specimen? a) Ocular lens b) Body c) Iris diaphragm d) Condenser e) Objective lens Question 25 (1 point) After binary fission, daughter cells will differ genetically a) True b) False MacBo 20 esc F2 F3 EA FI 2
Draw the slide under 400X. Indicate the cell type, magnification, and estimate the cell size. 14. Elodea 1. Prepare a wet mount of an Elodea leaf (Anarcharis). You will use one glass slide and cover slip for this entire lab. After preparing each slide, remove the specimen and throw it into the trash. Wash the slide in the sink. Dry the slide with a paper towel very carefully and pat the cover slip dry so that the plastic does not...
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