Ninhydrin Study guides, Class notes & Summaries

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. ...

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...

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 ...

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...

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...

An occupational therapist is assessing a rupture of the ulnar collateral ligament of the thumb. Which of the following terms is another phrase for this condition? A. Mallet Finger B. Gamekeeper's thumb C. Heberden's nodes D. Early signs of CTS B. Gamekeeper's thumb An occupational therapist is caring for patient who has recently been diagnosed with fibromyalgia and COPD. Which of the following tasks should the occupational therapist delegate to an aide? A. Transferring the pa...

assess scene safety - ANSWER What is the first priority of the initial emergency responder on the scene of an accident? radioactive - ANSWER The symbol below indicates that the substance is corrosive - ANSWER The symbol below indicates that the substance is toxic - ANSWER The symbol below indicates that the substance is combustible - ANSWER The symbol below indicates that the substance is first aid measures - ANSWER The section of the Safety Data Sheet (SDS) that describes the ini...

Death Investigation Final Questions and Answers 100% correct Forensics refers to the application of various field of science and medicine in the resolution of legal proceedings and is derived from the word.... A) Formalin B) Formula C) Formidable D) Forum The local _______ department is the governing body that filters all death certificates to the National Bureau of Vital Statistics A) Police B) Fire C) Health D) Magistrate Medications with the name of the decedent or ones...

Forensic Investigation Questions Answered 100% correct An example of a manner of death would be: Undetermined Two main religions which are opposed to the traditional practice of an autopsy include: Isalm and Judaism An intermediate range gunshot wound can feature ________ or ________ around the wound. Stippling; tattooing The fundamental goal of the medicolegal death investigation is determining the ______ and _______ of death. Cause, Manner T/F The medicolegal d...

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).