You have not described the context in which the question arises‚ so this will briefly discuss grading systems in general. A grading system can have a large or small scope. A grading system with small scope might the be the one that assigns a keep/don’t keep grade to leftovers in your refrigerator. A grading system with large scope is the one used for students in schools. The A-F grading is not only used to assign homework and test grades‚ it is used for attendance‚ contribution to class discussion
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LAB MATERIAL SAMPLE IDENTIFICATION LAB LAB #1 PREPARED BY: FOR: TERM: Spring 2014 SOUTHWEST TENNESSEE COMMUNITY COLLEGE TABLE OF CONTENTS Purpose 2 Equipment 3 Materials 4 Procedure 5 Data 6 Discussion & Conclusion 8 Appendix 10 PURPOSE To gain a knowledge of different types of metals by using simple methods for sorting and identification.
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Table 1. An infrared spectrum for the pure aspirin from the synthesis was taken by using crushed crystals‚ Figure 1. This spectrum was shown with different absorption bands corresponded with the functional groups of aspirin which was observed at frequencies > 1500 cm-1. These infrared frequencies were shown in Table 2. An infrared spectrum of an authentic aspirin was used to distinguish how authentic the infrared spectrum from the synthesis was shown in Figure 2 In this lab‚ aspirin was synthesized
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Identification of Macromolecules Introduction The most common macromolecules found in living organisms are lipids‚ carbohydrates‚ proteins and nucleic acids. Briefly‚ the meaning of macromolecules is that they normally contain two or more molecules in them and their main functions are to store energy‚ information and much more. Most foods are known to be combinations of macromolecules. While some of these compounds can be detected by taste tests‚ many cannot. Scientists then use certain
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Karyotype Analysis and Species Identification Introduction A karyotype refers to a basic layout of the numbers‚ types‚ and structures of the chromosomes in a eukaryotic cell. This includes the diploid and haploid numbers as well as the morphology of the chromosomes. When assembling a karyotype‚ two chromosomes specify gender‚ XX for females and XY for males‚ while the remaining chromosomes are arranged from largest to smallest in pairs. Each pair is arranged based upon chromosome morphology
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(Robinson‚ 2011‚ p. 23). The origin of dreams encompasses three areas‚ the psychological‚ the scientific and the theoretical depending on to whom you talk. But for this paper‚ a review of Freud’s concepts of dreams‚ an analysis of the Activation Synthesis Theory of dreams‚ and an inquiry into the Activation-Information-Mode (AIM) Model of dreams will define dream theories. Dreaming is an important aspect of a person’s psychological well-being‚ and Sigmund Freud began the real inquiry into the process
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Protein Synthesis Notes If DNA’s shape is altered it can’t function properly. RNA is more flexible so changing the shape changes the function‚ which is wanted. Any shape of RNA can become another. Three shapes/functions of RNA: -mRNA: messenger (linear_____) -rRNA: ribosomal (large and like a globe) More stable than mRNA. -tRNA: transfer (shaped like t) If you flatten this it becomes mRNA. Hydrogen Bonds ………………………………. Protein Synthesis Overview- Two Processes: Transcription- synthesis of mRNA
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9/13/12 Mrs. Braha Period 1 Personal Essay Pushing yourself and always striving for achievement is not an easy thing to accomplish. Never taking the simple route in life and always working hard to become the strongest person possible takes a lot of hard work and devotion. In my life‚ hard work and perseverance have been the only paths to success. This is why people that know me well would describe me as a dedicated human being. I work diligently in school to maintain high
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Presidential elections have been going on in our county for hundreds of years. Most of them took place before television even existed. Television was invented witch color in the early 1960’s and that is when the first televised presidential debate took place (document D). Presidential debates‚ from the start have always been a pretty big hit on the television but ever since 1988‚ the debates ratings have been below 40. I think that this is because more interesting television programs have come
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enetics is the study of heritable changes in gene function that do not involve changes in the DNA sequence. Involves a methylation composition that affects the communication and response between cells and DNA. We all know DNA is your genetic makeup passed down from generation to generation. However‚ our DNA is intertwined with a protein known as histone. The bond between histones and DNA can vary along the DNA strand. This is caused by mythol group composition that cause the histones and DNA to coil
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