Edgar Allan Poe is one of the most celebrated of all American authors. Heavily influenced by the German Romantic Ironists‚ Poe made his mark in Gothic fiction‚ especially through the tales of the macabre for which he is now so famous. Although he regarded himself primarily as a poet‚ he is one of the few indisputably great writers of the short story‚ alongside Guy de Maupassant and O. Henry. Besides redefining that form as a vehicle for literary art‚ Poe also contributed to the modern detective genre
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AP® BIOLOGY 2012 SCORING GUIDELINES Question 1 Note: At least 1 point must be earned from each of parts (a)‚ (b)‚ (c)‚ and (d) in order to earn a maximum score of 10. The ability to reproduce is a characteristic of life. (a) Describe the process of embryological development in a typical vertebrate embryo‚ beginning with a fertilized egg and ending with the development of three tissue layers. (4 points maximum) Embryological process Fertilization Cleavage (can occur in other stages)
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Purpose: To find which of solutions will produce the most alcoholic fermentation by measuring the depth of the carbon dioxide bubbles and the diameter of the balloon. Apparatus and Material: Funnel 4 test tubes Cups Sugar Water Yeast Knife Ruler Balloon Marker Tape Method: 1) Put tape on each test tube and label them‚ 0%‚ 1%‚ 5% or 10%. 2) Fill up water in each cup. 3) Add 10 ml of water in each test tube 4) For the test tube labeled 1%‚ add 0.1 ml of sugar. 5) Add 0.5 ml of sugar
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The hypothesis for this lab was that Core B will be the least flexible due to a loss in water. Unfortunately‚ my results led my hypothesis to be incorrect. The results that were received was that Core C was the most flexible‚ Core B was somewhat flexible‚ and Core A was not flexible and stiff. Core A was the most non-adjustable due to it being hypertonic which means that the total concentration of all the dissolved solute particles is greater than the other solution. Core B was isotonic meaning
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Introduction Enzymes are catalytic proteins. The purpose of a catalyst is to speed up metabolic reactions by lowering the free energy of activation or activation energy. Activation energy is known as the amount of energy needed to push the reactants over an energy barrier‚ so that the downhill part of the reaction can begin (Campbell 151). In an enzyme catalyzed reaction‚ the enzyme binds to its substrate‚ which is the reactant an enzyme acts on. In the reactions‚ the enzymes are very specific
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Author Biography Ernest Hemingway was born on July 21‚ 1899‚ in Oak Park‚ Illinois‚ the son of Clarence Edmonds and Grace Hemingway. Hemingway first published his writing while he was a student at Oak Park High School‚ and he began his journalistic apprenticeship as a teenage reporter for the Kansas City Star in 1917. Although his family expected him to attend college‚ Hemingway was drawn instead toward the excitement of World War I. In the spring of 1918 he volunteered with the American Red Cross
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CHAPTER 14 1. Norm of reaction: the phenotypic range that a genotype is associated with due to environmental influences. 2. Multifactorial: characters that have many factors‚ both genetic and environmental‚ collectively influence phenotype. 3. Pleiotropy: when a gene controls multiple phenotypic effects 4. Epistasis: When a gene at one locus alters the phenotypic expression of a gene at a second locus 5. Carrier: a person who is heterozygous for a recessive disease and therefore
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Pros and Cons of using electronic medical records! Pros- Just like any other record keeping‚ moving patients’ records from paper and physical filing systems to computers and their super storage capabilities creates great efficiencies for patients and their providers‚ as well as health payment systems. Example: The tragic events like 9/11‚ Hurricane Katrina‚ and the California fires have showcased the benefits of electronic record keeping. Those injured or made sick by any of those
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Biology Final Review Chapter 1 Biology unifies much of natural science * Living systems: most complex chemical systems on Earth * Constrained by properties of chemistry and physics * Science is becoming more interdisciplinary (combining multiple fields) 7 characteristics of all living organisms 1. Composed of cells 2. Complex and ordered 3. Respond to their environment 4. Can grow‚ develop‚ and reproduce 5. Obtain and use energy 6. Maintain internal balance
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