University:
Victor Valley College
Course:
BIOL-107 | Intro to Human Biology
Academic year:

2023
Views:

33

Pages:

3
Author:

fabruminative

Laboratory Exercise - Microscopy - Report Instructions - please read carefully: •Complete all sections of the lab report. •Note the due date. •No partial credit; only fully completed reports will be scored. •Submit the work via the corresponding assignment link on Canvas. •No hard copies. •No email/Canvas course message submissions. •Only work submitted via the corresponding online link will be scored. •NO LATE WORK. •Write/type your name onto the submitted document. •Only documents with name will be scored. •No exceptions. How to instructions:  Download the “Laboratory Exercise – Microscopy - Report” and the “Results -Laboratory Exercise - Microscopy” files.  Use the information provided in the “ Results Laboratory Exercise - Microscopy” file to complete the “Laboratory Exercise – Microscopy - Report”.  2. Microscopy Please answer the following questions: 1. Which two types of microscopes view the surface of an object? 2. Which two types of microscopes view objects that have been sliced and treated to improve contrast? 3. Of the described microscopes, which one resolves the greater amount of detail? 4. Define resolution of a microscope. 5. Your microscope has a 10x ocular and 5x, 10x, 40x and 100x objectives. Calculate the total magnification of the microscope for each ocular/objective combination. 6. Ocular lens Objective Total Magnification kind of microscope would be used to study a whole or opaque object? 7. What is the name for the lenses located near the eye? 8. If the total magnification of a slide is 400 x and the ocular lenses are 10 X , what is the magnifying power of the objective being used ? 9. If the amount of light passing through the condenser needs to be decreased, what microscope part should be adjusted? 10. What word describes a microscope that remains in focus when the objective lenses are changed? W h at 11. If a slide is being viewed with the high-power objective, which adjustment knob should be used to sharpen the focus? 12. Which objective should be in place when the microscope is put away? 13. If threads are layered from top to bottom, brown, green, red, which layer will come into focus first if you are using the microscope properly ? Thought Questions 14. Which type of microscope should be used to view a virus that is 50 nm in size? Justify your choice. 15. Which type of microscope should be used to view the external head structures of an ant at the highest possible magnification? Justify your choice.

Laboratory Exercise Microscopy Report

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