Ninhydrin Study guides, Class notes & Summaries

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...

Footwear Evidence - answers-Different shoes will leave behind prints of different sizes and patterns Visible 2-D footprint - answers--Dirt of material picked up by shoe or tire and deposited onto flat, hard surfaces. -Variety of surfaces, materials, and details -Collection: examination quality photo Visible 3-D footprint - answers--Shoeprint made in soft material (dirt, snow) -Composition of dirt or snow will determine the detail of the impression. -Collection: make a cast (ex. Plaster...

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 ...

Chem 103 Lab Exam 3 Review Question 1 10 / 10 pts Answer the following two questions: 1. Why was the paper chromatogram sprayed with ninhydrin solution in the chromatogram experiment? 2. Why was no peak for Hydrogen present in the SEM spectrum for aspirin (C9H8O9)? Your Answer: paper chromatogram sprayed with ninhydrin solution because it reacts with amino acids because amino acids are colorless and color compounds are formed allowing us to visualize the spots. ...