BIOLOGY TEST NOTES Biology is the study of life Living organisms share a set of characteristics that collectively set them apart from non-living matter Living organisms use molecules that contain instructions for building other molecules Living organisms gather energy and materias from their surrounding to: Build new biological molecules Grow in size Repair their parts Produce offspring All organisms are composed of the same macromolecules (proteins‚ fatty acids/lipids‚ carbs and nucleic
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老托福历年真题无老师的 Blog：www.ibtsat.com 专供版 老托福 2000 年 1 月-2005 年 8 月真题 所有真题+答案 1.0 版 无老师的 Blog：www.ibtsat.com 专供版 -1 - 老托福历年真题无老师的 Blog：www.ibtsat.com 专供版 2000 年 1 月 TOEFL 试题 Section One: Listening Comprehension 1. (A) Spend more time working on calculus problems. (B) Talk to an advisor about dropping the course. (C) Work on the assignment with a classmate. (D) Ask the graduate assistant for help. 2. (A) Go home to get a book. (B) Return a book to the library. (C) Pick up a book at the
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Education Test – the studies 1) What did Durkheim see as the major function of education? (1) 2) What term did Durkheim use for the welding of a mass of individuals into a united whole? (1) 3) In what way did Hargreaves criticise the modern comprehensive school? (2) 4) Give one criticism of Durkheim. (1) 5) According to Parsons‚ how does school act as a bridge between the family and wider society? (Refer to Particularistic and Universalistic values)
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REPORT SHEET Date | 2.26.2013 | | Name | Tina Mwale | Flame Tests | | | Include the data sheet with this report sheet. 1. An AM radio station broadcasts at a wavelength of 0.500 kilometers. Microwaves can have a wavelength of 12 cm. A fire place can give off photons with a wavelength of 1.5 x 10-3 millimeters and the X-rays used in a dentist’s office have a wavelength of 2.1 x 10-11 meters. Ultraviolet rays‚ the ones that give you sunburn or fade the colors of clothes have
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established pathogens? How does this support Woese’s hypothesis as well? 8.) Know and understand the terms: minimal medium; defined medium; undefined medium; rich medium; prototroph; 9.) What defines growth? Are changes in the number of cells in a test tube also defining growth? Why or why not? 10.) know the various methods for determining growth (common) and both the strengths and weaknesses to each method 11.) Understand the phases of growth‚ and also the physiological changes that are occurring
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Amylopectin The absorbance value(x) read from cuvette containing starch and water represents the total amount of starch-iodine complex. The absorbance value(y) read from cuvette containing starch‚ water and α-amylase at the respective temperature or pH represents the amount of starch-iodine complex which is left after the enzyme has hydrolyzed the starch.In order to get the amount of product;P (maltose and glucose) formed‚ need to subtract the (y) value from the (x) value.
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ACCT TEST 1. Which of the following is NOT a characteristic of a corporation? a. Corporations are organized as a separate legal taxable entity. b. Ownership is divided into shares of stock. c. Corporations experience an ease in obtaining large amounts of resources by issuing stock. d. A corporation’s resources are limited to its individual owners’ resources. e. Corporations make up 20% of all businesses. 2. An entity that is organized according to state or federal statutes
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Test 3.5 Active Transport‚ Endocytosis and Exocytosis 1. How are active transport proteins similar to enzymes? a. They both are cells b. They both are animals c. Both the shape of the enzymes and transport protein allows binding to specific molecules only d. All of the above 2. What’s another word for transport proteins? a. Slides b. Pumps c. Poles d. train 3. What occurs during exocytosis? a. Process of taking liquids or fairly large molecules into cells b. Process of
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Investigation on Effects of Different pH on Enzyme Activity How does the different pH buffers affect activity of potato enzyme/extract? Introduction: Proteins are polymers that are made up of smaller units/monomers called amino acids. There are 20 different types of amino acids‚ thus make up many different combinations in types‚ numbers of amino acids as well as their orders – an explanantion for why there are so many proteins. Every protein‚ due to various reactions of amino acids to each
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Z –Test: a statistical test used for inference (inference – is the act or process of deriving logical conclusions from evidence‚ statements‚ ideas‚ etc. known or assumed to be true) which determines if the difference between a sample mean and the population mean is large enough to be statistically significant‚ that is‚ if it is unlikely to have occurred by chance. The Z – test is used primarily with its standardized testing to determine if the test scores of a particular sample of test takers are
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