different objective lenses; allows the lenses to rotate for viewing. 6. Base - Supports the microscope. One hand is placed under this when carrying the microscope. 7. Eyepiece - Contains a lens that magnifies about 10X. You look through this. 8. Fine Adjustment Knob - Moves the stage or body tube for focusing with the high-power objective lens. Focuses for details. 9. Course Adjustment Knob - Moves the body tube or stage for focusing with the low-power objective lens. 10
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between the ocular lens and the objective lens? Ocular lens is the lens you look through and objective lens is the lens that is close to the stage. 3. Where do you place the slide on the microscope? the stage under the stage clips 4. Which adjustment‚ course or fine‚ do you use when you are observing the highest power? Fine 5. What would the total magnification be if you are looking through the ocular and using each of the following objectives. Ocular |Objective|Total Magnification| 10x|4x|40x|
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of the microscope and describe the function of each A. Ocular Lens- the lens on the top of the microscope that look into with 10x or 15x power. B. Body Tube- Connects eye piece to the objective lens C. Revolving Nosepiece- holds two or more objectives lenses and can be rotated easily to change power D. Objective lenses- 4x‚ 10x‚ 40x‚ and 100x powers E. Stage- The flat plate where the slides are placed for observation F. Diaphragm- Generally a five hold disc placed under the stage. Used to vary the
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micrometers Experiment 2: Virtual Microscope Post-Lab Questions 1. After completing the m1 exercise in the “Try this” section‚ how tall is the letter e? Answer: about 1.8micrometers 2. What is the highest objective lens you can use to see the entire letter e? Answer: 10x is the highest objective lens where you can see the entire letter e . 3. The nuclei (the structure inside a cell that contains DNA) of the cheek cells have been stained using a special dye so that they appear purple. What shape
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are in place for the company to meet his objectives and review management performance. The board should set the company’s values and standards and ensure that its obligations to shareholders and others are understood and met. But the primary responsibility of the board of directors is to protect the shareholders’ assets and ensure they receive a decent return on their investment. b. The board of directors definitely could have prevented the fall of Enron. First of all‚ if the board of directors
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UVA-F-1299 Rev. Feb. 8‚ 2011 This document is authorized for use only by Mattia Tenaglia at Tecnologico de Monterrey. Please do not copy or redistribute. Contact permissions@dardenbusinesspublishing.com for questions or additional permissions. ENRON CORPORATION’S WEATHER DERIVATIVES (A) Everybody talks about the weather‚ but nobody does anything about it.1 In October 2000‚ Mary Watts‚ the chief financial officer of Pacific Northwest Electric (PNW)‚ a utility servicing the Pacific Northwest
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ENRON Introduction Enron was the country’s largest trader and marketer for electric and natural gas energy. Its core business was buying energy at a negotiated price and later‚ selling the energy when prices increased. As an energy broker‚ Enron provided a service by allowing producers to negotiate a certain price while Enron took the risk that prices would fall below what it bought energy. Buyers of energy also benefited because Enron could ensure the supply of energy. In 2000 Enron was listed
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Case 1.4 AMRE‚ Inc. 1. Generally‚ ethics refer to moral principles and values. Random House Webster’s College Dictionary notes that ethics are “the rules of conduct recognized in respect to a particular class of human actions or governing a particular group‚ culture‚ etc.” An individual ’s ethics generally define what that individual believes to be right and wrong. Professional ethics are typically expressed by a code of conduct adopted by an organization that represents a profession. Professions
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From the Desk of: Imran Omer Case Study: WorldCom From its beginnings as a long distance call player to handler of Internet data traffic‚ WorldCom was a spectacular firework in the sky before it crashed out as one of the biggest bankruptcies America has witnessed in its corporate history. WorldCom carried more international voice traffic than any other company. It carried a large amount of the world‟s Internet traffic. WorldCom owned and operated a global IP (Internet Protocol) backbone that
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Happened at Enron What is the purpose to run a company? How to shape the enterprise culture and values directly affects the strategic management decision makers. If enterprise culture management is ultimately determined by enterprise strategy management‚ the decision makers of Enron obviously ignored the rationality of corporate culture management. When talking about the bankruptcy of Enron Corp‚ Welch‚ the former CEO of GM pointed out the Enron’s despise on corporate culture: " Enron is a first-class
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