Ninhydrin Study guides, Class notes & Summaries

This is an in depth assessment discussing the different types of chromatography techniques, applying chromatography and interpreting a chromatogram. Including paper chromatography and TLC (thin layer chromatography).

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...

What is Biology? - ANSWER Study of life; encompasses everything -biomolecular biology and technology have brought around a new era for biology What are the major characteristics of Life? - ANSWER 1) reproduction (DNA (deoxyribose nucleic acid); double helix shape; stores genetic info) 2) cellular repsiration (used to creat energy) (metabolism; need it to perform basic functions of life; food (carbs, proteins, lipids/fats, vitamins/minerals) 3) adaptation/evolve (over large periods of times...

CJ 1340 Exam 1 (chapter 1,3,4,8) A rogues gallery is Correct Answer: photographs of known criminals arranged by criminal specialty and height The on-going cycle of Supreme Court decisions in criminal investigation cases and the adaptation to them by the police has Correct Answer: hastened police professionalization The father of criminal identification is Correct Answer: Alfonse Bertillon The Palo Verde case is significant because it Correct Answer: was the first use of plant DNA...

MICROBIOLOGY GPC TESTING Bacitracin Susceptibility - correct answer Bacitracin or "A" disk Identifies Group A streptococci PYR disk - correct answer Better test because reaction is more definitive Christie-Atkins, Munch-Petersen (CAMP) test - correct answer Occurs when b-lysin and the hemolysins of group B streptococci come in contact=classical "arrow-shaped hemolysis Hippurate Hydrolysis Test - correct answer Differentiates group B streptococci from other beta hemolytic streptoco...

AQA A-LEVEL CHEMISTRY PAPER 2MARKING SCHEME JUNE 2022 AQA A-LEVEL CHEMISTRY PAPER 2MARKING SCHEME JUNE 2022 A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Mark scheme June 2019 Version: 1.0 Final *196A74052/MS* Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme in...

Gentian violet is a dye which stains fatty constituents of sebaceous sweat producing an intense purple image. It is very effective for the development of latent fingerprints on... - <<ANSWERS>>Adhesive surface of adhesive tapes Alternative process names for Gentian Violet - <<ANSWERS>>1. Crystal Violet 2. Methyl Violet Alternative process name for Amido Black - <<ANSWERS>>Naphthalene Black Iodine vapour is physically absorbed by latent fingerprint depos...

QUIZ: What is the IAFIS? ANS: The Integrated Automated Fingerprint Identification System, which is a national fingerprint and criminal history database maintained by the FBI QUIZ: Which of the following processes of taking fingerprints involves the development of prints by using amino acids resulting from perspiration? ANS: Ninhydrin QUIZ: Which of the following is the best interpretation of the Frye standard? ANS: New scientific evidence may be used in court only when it has gai...

FRSC 202 Exam 1 review Questions and answers, VERIFIED. 2 Types of Evidence - -1. Physical 2. Testimonial 3 Types of Searches - -Searches incident to a warrant, Warrantless searches for the purpose of finding evidence, and Warrantless searches for purposes other than finding evidence Acid Phosphatase Test - -detects semen Affidavit (sworn statement) MUST establish the presence of probable cause meaning.. - -1. That the item(s) for which the search is conducted is connected with crim...

Protein Techniques (MCBM Exam 1) Eqtn for the Molecular weight of proteins - Answer- MW: # of aa x 110 Prosthetic Group in lipoproteins - Answer- lipids Prosthetic Group in glycoproteins - Answer- carbohydrates Prosthetic Group in metalloproteins - Answer- metal Prosthetic Group in flavoproteins - Answer- flavin nucleotides Prosthetic group in phosphoproteins - Answer- Phosphate centrifugation separates molecules based on their differences in ____ or _____ - Answer- mass or ...