(i) polyploidy (8 marks) (ii) Artificial selection (4 marks) b) Explain how polyploidy arises in sexually reproducing plants. (5 marks) c) Describe how polyploidy & artificial selection will lead to formation of new species. (8 marks) SENIOR FIVE ORGANIC CHEMISTRY 1.Using suitable examples explain the following terms (a) Mechanism (b) Homolytic fission (c) Heterolytic fission (d) Electrophilic reaction (e) Nucleophilic reaction (f) Addition reaction (g) Elimination reaction (h) Substitution reaction
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exploitation of plant and animal species worldwide. The American black bear is an example of the most threatened subspecies in Canada and United states. Legal protection and conservation plan for these endangered subspecies should be established. However‚ organic evolution has been taking place for 3.5 billion years. It is impossible to study every living organism from an individual level. Biologists group and classify living and extinct organisms for many reasons such as to establish a common language or
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Panther ID: NAME: FLORIDA INTERNATIONAL UNIVERSITY Department of Chemistry CHM 2211-U02– ORGANIC CHEMISTRY II PRACTICE EXAM I CHM 2211-U01 SAMPLE EXAM I‚ Page 2 Type of Vibration C-H Frequency (cm-1) 3000-2850 1450 and 1375 1465 3100-3000 1700-1000 3150-3050 1000-700 ca. 3300 2900-2800 2800-2700 1680-1600 1600-1400 2250-2100 1740-1720 1725-1705 1725-1700 1750-1730 1700-1640 1810 and 1760 1300-1000 Intensity s m m m s s s m w w m-w m-w m-w s s s s s s s Alkanes -CH3 -CH2Alkenes
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Producing Energy and Fertilizer from Organic Municipal Solid Waste: Enhancing hydrolysis and bacterial populations and mixing and thermodynamic modeling of new solid waste treatment technology Ecology Publication Number 09-07-064 To ask about the availability of this document in a format for the visually impaired‚ call the Solid Waste and Financial Assistance Program at 360-407-6900. Persons with hearing loss can call 711 for Washington Relay Service. Persons with a speech disability can
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Essay 3 – Durkheim 03/29/2014 DURKHEIM: A SUMMARY OF THEORIES IN RELATION TO MARX AND WEBER Durkheim’s theories focusing on sociological methodology‚ division of labor and social solidarity The majority of Durkheim’s work is interested in society and societies ability to preserve coherence and rationality an period of increasing modernity. Throughout his work Durkheim was intensely concerned that society become a legitimate science‚ this is especially obvious when reading the book ‘Emile
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University of Pune Structure for Mechanical Engineering with effect from academic year 2013 – 14 S. E. (Mechanical) and S. E. (Automobile) Semester – I Code Subject Teaching Scheme (Weekly Load in hrs) Lect. Tut Practical 4 3 1 4 3 3 -18 1 ---1 --2 --2 2 -2 2 2 10 Examination Scheme (Marks) + Theory TW PR OR Paper Online 50 50 -50 50 50 --250 50 50 -50 50 50 --250 25++ ---25++ -25 25 100 --50 -----50 ---50 -50 --100 Total 125 100 50 150 125 150 25 25 750 Engineering Mathematics – III* Manufacturing
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"To do a good job‚ must first sharpen his."To mechanical equipment normal operation‚ it is necessary to ensure mechanical equipment in good condition.bucket elevatorCamellia seed refining equipment daily maintenance and maintenance work is very important‚ is sick of mechanical equipment repair‚ machinery and equipment safe operation is the basic.Enterprise according to the actual mechanical equipment daily maintenance plan‚ overhaul at least once a year.Maintenance of machinery and equipment safety
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Choi 1 Fabio Choi Ms D’addario ENG 2DE Monday April 29‚ 2013 Organic‚ the Best in the World Imagine looking at two different apples. One is a big rounded red apple. The other is smaller and less appealing. The first apple looks delicious‚ illuminating in the light. It seems to be the perfect apple to eat‚ due to its stunning appearance. A huge bite is taken out of the rich-looking apple; however‚ it lacks flavour. A bite is then taken out of the diminished apple which is filled with appetizing flavours
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WRIT 121-80305 February 3‚ 2014 The Truth about Non-Organic Foods In today’s society‚ an individual can go into the grocery store to pick up some “fresh” lettuce and garnishing’s for a salad and think that they are doing something good for both them self and for the environment. This same person will likely purchase low calorie snacks‚ sugar free desserts‚ and perhaps even Splenda and then live under the misconception
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Between Organic and Unorganic Food As we know‚ food is the most important thing in our lives. We can not live without food‚ it sounds redundant but that is the reality. Imagine if we do not eat any food in a day‚ we will get very not powere because we do not get the strength that is contained in food. We realized this important thing and now we have found that there are two types of food‚ organic and unorganic food. Many people still missunderstanding about the definition of organic and unorganic
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