can be used to solve both minimization problems and maximization problems. 5) In the assignment problem‚ the costs for a dummy row will be equal to the lowest cost of the column for each respective cell in that row. Multiple Choice Questions: 6) Which of the following techniques can be used for moving from an initial feasible solution to an optimal solution in a transportation problem? A) Hungarian method B) stepping-stone method C) northwest corner rule D) Vogel’s approximation method
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the domain cannot take the value 3‚ the range of f o g cannot take the value 2x = 2(3) = 6. Hence‚ the range of f o g is {y : y ∈ R‚ y ≠ 6}. (b) The graph of y = f g(x) = 2x‚ x ≠ 3 is as shown below. =2 3+ 1 2 © Oxford Fajar Sdn. Bhd. (008974-T) 2012 Chap-07-FWS.indd 2 10/18/2012 9:48:52 AM Fully Worked Solution 3 y 6 x O 3 y = 2x (c) lim f g(x) = 2(3) x→3 =6
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Cell Structure I. Cell History A. Anton Leewenhock (1600s) - first person to observe cells - in pond water‚ using a homemade microscope B. Robert Hooke (1665) - observed many kinds of animal tissue under a microscope - concludes that all animals are made up of cells C. Schwann (1868) - observed many kinds of animal tissue - concludes that all animals are made up of cells D. Schleiden (1869) - observed many kinds of plant tissue - concludes that all plants are made up of cells E. Cell
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Donkey 3 Common zebra 3 Pig‚ cow‚ sheep 3 Dog 3 Gray whale 3 Rabbit 3 Kangaroo 3 Chicken‚ turkey 3 Penguin 3 Pekin duck 3 Snapping turtle 3 Rattlesnake 2 Bullfrog 4 Tuna 3 Screwfly fly 4 Silkworm moth 4 Tomato horn worm 6 Wheat 12 Rice 8 Baker’s Yeast 13 Candida Yeast 10 Neurospora 14 1. What does it mean when scientists say that living organisms share a universal genetic code? All living organisms are similar genetically‚ for example‚ a human could be 99.5%
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each other leaving enough space for them to grow 4) Take the second petri-dish and cover it completely with black paper and cut a single 0.5cm thick slit through the paper 5) Place the petri-dish on a flat surface equidistant to the light source 6) Leave the project for a week and water crest seeds daily (10ml a day) 7) Write up observations of plant growth throughout the week and compare results Prediction: I
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References: 1. Benson‚ Jennifer. Lab: Meiosis in Sordaria Fimicola. 28 October 2008. 2. Biology 8th Edition. Campbell‚ Neil A. and Jane B. Reece. Prentice Hall‚ c2005.ISBN 0805367772. Pearson Education 800.848.9500. 3. Bio 325 Genetics Lab: Tetrad analysis in Sordaria fimicola. 30 October 2008 4. Mitosis and Meiosis Lab. 31 October 2008
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of a vesicle with the membrane 5. What is the key feature of active transport? a. It kills molecules b. Drives the molecules across the membrane from low to high c. Drives the molecules out the membrane d. Pushes cells out the membrane 6. What does the cell use active transport for? a. To get needed molecules and to maintain homeostatis b. To take the needed molecules out c. To get the needed molecules and take out homeostatis d. To take both molecules and homeostatis
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AP ESSAY ANSWERS: 16-20 1. Information transfer is fundamental to all living organisms. For TWO of the following examples‚ explain in detail‚ how the transfer of information is accomplished. A) The genetic material in one eukaryotic cell is copied and distributed to two identical daughter cells. B) A gene in a eukaryotic cell is transcribed and translated to produce a protein. C) The genetic material from one bacterial cell enters another via transformation‚ transduction or conjugation
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the work done by the frictional force as it slides down‚ given that coefficient of kinetic friction is 0.20. [-0.375 J] (c) Using energy considerations‚ find the final velocity at the bottom of the incline if it slides down from rest. [1.37 m/s] 6. What is the minimum work needed to push a 950-kg car 810 m up along a 9.0º incline? (a) Ignore friction. (b) Assume the effective coefficient of friction retarding the car is 0.25. [(a) 1.2×106 J‚ (b) 3.0×106 J] 7. A spring has k = 88 N/m.
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possess nocturnally opening (scotoactive) stomata. Important Formula #2 Notable dates with reference to environment are : February 2 (World Wetlands Day) ‚ March 21 (World Forestry Day)‚ April 22 (Earth Day) ‚ June 5 (World Environment Day)‚ July 6 (Vanmahotsav)‚ July 11 (World Population Day)‚ October 1 to 7 (Wildlife week)‚ November 1 (World Ecology Day) ‚ and December 3 (World Conservation Day). HUMAN HEALTH DISEASES
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