Chapter 4--The Three-Dimensional Structure of Proteins Student: ___________________________________________________________________________ 1. Exhibit 4A The following question(s) refer to this peptide: Cys-Ala-Gly-Arg-Gln-Met Refer to Exhibit 4A. Total hydrolysis of the peptide in HCl would yield these products: A. Ala‚ Arg‚ Cys‚ Gln‚ Gly‚ Met B. Ala‚ Arg‚ 2 Cys‚ Gln‚ Gly‚ H2S C. Ala‚ Arg‚ Cys‚ Glu‚ Gly‚ Met‚ NH3 D. Ala‚ Arg‚ 2 Cys‚ Glu‚ Gly‚ H2S‚ NH3 E. None of these answers is
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An intake interview is primarily an assessment tool designed to answer critical questions that will facilitate an understanding of a client’s current presentation and problems and allow for an initial formulation to be developed (Hughes & Byrne‚ 2009; Sommers-Flanagan & Sommers-Flanagan‚ 2012). The central function of an intake interview is to gather necessary information from the client. It also serves as an opportunity to orientate the client to a potentially new situation as well as promote rapport
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Hypothermia Sets In When the cold slaps your face and squeezes tears from your eyes‚ it could be the start of hypothermia. Nazi doctors calculated that a human can die when their body temperature drops to around 77 degrees fahrenheit. The lowest recorded core temperature in a surviving adult is 60.8 degrees fahrenheit (12). Instinctively‚ the web of capillaries on your hands constricts sending blood coursing away from your skin and deeper into the torso. Tibetan Buddhist Monks can raise the skin
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The importance of carbohydrates in living organisms Carbohydrates contain carbon‚ hydrogen and oxygen in the ratio of 1.2.1.. There are many different types of carbohydrate‚ all of which are useful to living organisms. The most important carbohydrate is probable glucose. Glucose is a monosaccharide and is the monomer unit which makes up more complex polysaccharides. Two glucose molecules can be joined in a condensation reaction‚ whereby water is removed‚ for example to produce maltose‚ a disaccharide
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Question 5: The chromophore in this assay is Coomassie Brilliant Blue dye. Question 6: It is important to set up a blank to separate the solute (saline) from the protein (stock). By subtracting the absorbance of the blank (which has no protein present) from the original absorbance the absorbance of the protein at each concentration will remain. Question 7: The Lowry method relies on two different reactions. The first is the formation of a copper ion complex with amide bonds‚ forming reduced
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Why are proteins important? Proteins can easily be addressed as one of the most important molecules in animal cells. There are many varieties of protein molecules which allow a vast range of biological activities in the cell.( Williams‚ G.(2000))’Proteins are big compound with large molecular masses’’(Williams‚ G.(2000)) whose main chemical constituents are hydrogen‚ carbon ‚oxygen and nitrogen. A protein structure consists of a specific sequence of amino acids called the
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Lipids are organic compounds which consist of hydrogen oxygen and carbon. When fatty acids are combined together‚ they form lipids. The energy storage lipids‚ tri-glycerides‚ are formed when three fatty acids and bonded together with a molecule of glycerol. The energy for this process is usually undertaken by the body‚ which will bond together fatty acids and glycerol in order to make tri-glycerides for energy storage in the form of fat. They release more energy per unit mass than carbohydrates
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Abstract The experiment‚ entitled Extraction and Characterization of Proteins‚ aims to isolate casein from milk and albumin from egg; to explain the methods employed for protein extraction; to apply spectrophotometric methods in characterizing and quantifying extracted casein and albumin. The experiment was divided into 2 parts; the extraction of Albumin from egg and the determination of protein concentration via the Warburg-Christian method and Bradford Assay method. In the first part‚ egg
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An Le Foundation Biology lab BRADFORD PROTEIN DISCUSSION ESSAY The appearance of blue color showed the present of protein in the BSA dilutions. The more diluted the solution was‚ the less blue it was. The R2 value of the standard curve of BSA dilution was obtained to be 0.9972‚ which is close to 1. The closer to 1 the R2 value was‚ the more accurate the linear portion was. The error percentage of each unknown was large: 25.9% for skim milk‚ 95% for soy sauce‚ and 64.7% for egg white. The vast
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17.1 Genes specify proteins via transcription and translation * George Beadle and Edward Tatum worked together with mutated (Neurospora crass) bread mold to figure out that they were missing a specific enzyme (gene) that catalyzed and synthesized a pathway required. They concluded that they were missing that enzyme because it was lacking the amino acid that coded for the enzyme‚ thus was mutated and incapable of growing. Led to the one enzyme-one gene hypothesis. The Products of Gene Expression:
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