Ninhydrin Guides d'étude, Notes de cours & Résumés

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fingerprint and impression analysis | 38 Questions and Answers(A+ Solution guide)
  • fingerprint and impression analysis | 38 Questions and Answers(A+ Solution guide)

  • Examen • 4 pages • 2023
  • how many individual minutiae does the average finger have - 150 which of the following is the reason why footprints are not commonly used to identify individuals - footprints are not commonly found on crime scene and do not have a database of known prints how deep does an injury have to alter fingerprints - 2mm image - tented arch third level of detail - flow and distribution of pores dusting over prints w powder - latent visible with looks like in liquid - visible a print in silly puddy...
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CHEMISTRY 108 Lab Exam 3 Study Guide.
  • CHEMISTRY 108 Lab Exam 3 Study Guide.

  • Examen • 5 pages • 2023
  • CHEMISTRY 108 Lab Exam 3 Study Guide. Lab exam 3 Exam Page 1 Answer the following two questions Why was the paper chromatogram sprayed with ninhydrin solution in the chromatogram experiment? It causes the amino acids to react and change color so we could read the analysis of the experiment. Why was no peak for Hydrogen present in the SEM spectrum for aspirin (C9H8O9)? H is no able to be detected by the SEM. Answer Key Answer the following two questions Why was the paper chromatogram s...
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CHEMISTRY 108 Lab Exam 3 Study Guide.
  • CHEMISTRY 108 Lab Exam 3 Study Guide.

  • Examen • 5 pages • 2023
  • CHEMISTRY 108 Lab Exam 3 Study Guide. Lab exam 3 Exam Page 1 Answer the following two questions Why was the paper chromatogram sprayed with ninhydrin solution in the chromatogram experiment? It causes the amino acids to react and change color so we could read the analysis of the experiment. Why was no peak for Hydrogen present in the SEM spectrum for aspirin (C9H8O9)? H is no able to be detected by the SEM. Answer Key Answer the following two questions Why was the paper chromatogram ...
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Lab 2 - B03 Nutritional Composition of Beer
  • Lab 2 - B03 Nutritional Composition of Beer

  • Examen • 16 pages • 2023
  • Nutritional Composition of Beer Introduction: The purpose of the experiment was to determine the nutritional composition of beer, specifically the amounts of sugar, protein, and amino acids. This was significant because beer can then positively or negatively contribute to an individual’s diet. The determination of reducing sugars was completed by a DNS assay, which occurs by one molecule of 3,5- dinitrosalicylic acid (DNS) reacts with one molecule of reducing sugar under basic conditions...
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TLETA WEEK 11 ACTIVITY WEEK TEST QUESTIONS AND ANSWERS
  • TLETA WEEK 11 ACTIVITY WEEK TEST QUESTIONS AND ANSWERS

  • Examen • 4 pages • 2024
  • TLETA WEEK 11 ACTIVITY WEEK TEST QUESTIONS AND ANSWERS When securing perimeter of crime scene how should initial boundaries be set? - Answer ️️ - Wide & make smaller if needed What best describes transfer concept? - Answer ️️ -Something is always taken to and from a scene Most important factor in crime scene photography? - Answer ️️ -Light When are fingerprints formed? - Answer ️️ -In utero before birth Why are fingerprints used for identification? - Answer ️️ -Unique...
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MLT microbiology final exam 2023 with 100% correct answers
  • MLT microbiology final exam 2023 with 100% correct answers

  • Examen • 4 pages • 2023
  • Sterlization technique pressurized heat at 121 degrees Celsius. 15 lbs of psi. verified by a suspension of spores then inoculate a plate. What is the number one gram positive wound infection? Staph aureus What are the two methods of the coagulase test? Slide, which is free and tube, which is bound. Staphylococcus aureus a form of staphylococci that commonly infects wounds and causes serious problems. Gram positive in clusters. Streptococcus pneumoniae Alpha-hemol...
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Exam 5,6,9 forensic questions and correct answers
  • Exam 5,6,9 forensic questions and correct answers

  • Examen • 6 pages • 2023
  • Fingerprints are considered individual evidence. - correct answer True RISC fingerprints make up the majority of fingerprints in the NGI database - correct answer False Ninhydrin, used to visualize latent fingerprints, - correct answer should not be inhaled The ten print card was first used in the 1800s - correct answer True Most fingerprints have a loop pattern. - correct answer True Secretions of the skin - correct answer are a mixture of water, oils, and salts NGI and ...
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CHEM 103 LAB EXAM 3 QUESTIONS AND ANSWERS
  • CHEM 103 LAB EXAM 3 QUESTIONS AND ANSWERS

  • Examen • 2 pages • 2023
  • CHEM 103 LAB EXAM 3 QUESTIONS AND ANSWERS Question 110 / 10 ptsScientific Calculator Answer the following two questions: 1. Why was H2SO4added to the metal carbonate in part 1 of lab 3? 2. Why were gloves used during the ninhydrin spray procedure? 1. H2SO4was added to the metal carbonate in lab 3 to cause the loss of CO2 2. Gloves were used during the ninhydrin spray procedure to prevent the reagent from reacting with the dead skin amino acids and causing purple marks on the skin. ...
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MASTERY QUIZ (LAS 1-4) LAB
  • MASTERY QUIZ (LAS 1-4) LAB

  • Examen • 98 pages • 2023
  • Which of the following statement is/are CORRECT? I.Starch consist of a greater proportion of amylopectin than amylose II.Amylopectin has both -1,4 and -1,6 glycosidic linkage III. Amylose is a long, unbranched polymer of glucose with -1,4 glycosidic linkage IV.Amylose can be easily digested because of its linear chain structure 1/1 I & II I-IV I & III I,II,III I & IV Which of the following is not from animal origin? 1/1 Amylum Glycogen Chitin Hyaluronic acid Which of the follow...
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Forensics Unit 4 - Midterm Review Fingerprinting
  • Forensics Unit 4 - Midterm Review Fingerprinting

  • Examen • 3 pages • 2024
  • Forensics Unit 4 - Midterm Review Fingerprinting Iodine Fuming - ANSWER-Print (on paper or cardboard etc.) is exposed to chemical vapors, which react with oils from the skin to create a brownish image Silver Nitrate - ANSWER-Object (like wood or styrofoam) is dipped or sprayed with chemical; print develops as a black image (reddish brown under UV light) Cyanoacrylate - ANSWER-Vapor must be heated and applied underneath a hood; the white print that forms because the vapor clings to water a...
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