CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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1. Iron (IIII) and copper (II) sulfate solution Fill a small test tube halfway with copper (II) sulfate solution. Add a 2.0 gram iron rod to the solution and observe the reaction. 2 Fe + 3 CuSO4 = 3 Cu + Fe2(SO4)3 The new product is iron (III) sulfate‚ it contains the Fe 3+ ion which is brown. Lead (II) nitrate and potassium iodide solutions Pour about 2.0 mL of lead (II) nitrate into the test tube. Add 5 to 10 drops of potassium iodide solution to the test tube and record your observations
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Chapter 1 Revision Questions 1) List three abiotic characteristics and briefly describe the main differences between aquatic and terrestrial environments. Abiotic characteristics are: Temperature‚ Pressure and Light Availability. The differences between aquatic and terrestrial environments are: Small temperature changes occur in aquatic environments while large temperature changes occur in terrestrial environments. As the depth of water increases‚ pressure increases in aquatic environments while
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1. What is the Documentary Theory? The Document theory according to Oswald T. Allis comprised of four main areas of high criticism and rationalization. The also lead to the enlightenment. They consisted of: “ The Variations in the Divine Names in Genesis; The Secondary Variations in Diction and Style; The Parallel or Duplicate Accounts (Doublets); The Continuity of the Various Sources. The theory basically tries to debunks Moses as being the author of Genesis through rationalization and
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Chapter 1 Critical thinking Questions 1.4 &5 1. You are correct that organizational behavior courses are useful for management careers‚ however it has many other uses. In order to look at all the other uses you must understand the meaning of organizational behavior (OB). OB is a study of what people think‚ feel and do in and around organizations. With that said‚ here some examples; your family‚ church‚ sorority‚ and book club‚ are all groups that work interdependently toward the same purpose. So
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solution on hands in contact. Chemical Reagants Hydrogen peroxide solution (5-9 moldm-3) Materials / Equipment: Potato Cock Borer Test tube Knife Pipette Boiling tube Delivery tube Stopwatch Method: 1. 5.0cm3 of 2.0moldm-3 hydrogen peroxide solution is poured into tube 1. The bug is placed and followed by water to tube 2 to the depth indicated in figure below. 2. Using a sharp knife and ruler‚ 10 pieces of 1mm thick disc of potato are cut. 3.
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Discussion Questions Week 1 • What are some ways in which receivers of messages provide feedback when listening to or reading a message? What effect does this have on the message? Provide examples. A receiver can provide feedback when listening to a message by offering their opinion or advice on whatever the subject matter was. The message will get a deeper understanding from different ideas being shared. For example‚ a wife tells her husband to go to the grocery store to get milk and bread. The
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household detectors‚ known as smoke alarms‚ generally issue a local audible or visual alarm from the detector itself. Smoke detectors are typically housed in a disk-shaped plastic enclosure about 150 millimetres (6 in) in diameter and 25 millimetres (1 in) thick‚ but the shape can vary by manufacturer or product line. Most smoke detectors work either by optical detection (photoelectric) or by physical process (ionization)‚ while others use both detection methods to increase sensitivity to smoke. Sensitive
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Case Study 6-2 Question 4 What are the key lessons to be learned from Whirlpool’s experience in emerging markets? From the Whirlpool’s experience in emerging markets‚ we can learn that customer relationship management is very useful to keep a global business up to the trend. Customers in different countries may prefer different types of features for a same product and understanding the local demands will help the company in gaining the market share. For example‚ Hank Bowman attempts in listening
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ADVANCED FINANCIAL ACCOUNTING 260 IMPAIRMENT QUIZ QUESTIONS 1. When should an entity conduct an impairment test? (2 Marks) Assets that are consider to have uncertain carrying amounts must be tested every year for impairment. Goodwill acquired in a business combination Intangible assets with an indefinite useful life Intangibles not yet ready for use Impairment testing of all other assets is required only if there is an indication that they might be impaired due to events
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