DNA Analysis
What does DNA stand for?
Deoxyribonucleic acid
Methamphetamine belongs to what drug class?
Stimulants
Which microscope is used for comparing bullet striation patterns?
Comparison microscope
What is forensic science?
The application of scientific methods and principles to support legal investigations and court proceedings
What is PCR (Polymerase Chain Reaction) used for?
To amplify small amounts of DNA so that sufficient material is available for analysis
What are the four stages of ADME?
Absorption, Distribution, Metabolism, and Excretion
What are the three types of fingerprint types? And which is the least common?
Loop, whorls, and arches. Arch is the least common
What does the ATFE agency stand for?
Bureau of Alcohol, Tobacco, Firearms and Explosives
Which moves faster during gel electrophoresis, larger or smaller DNA fragments?
Smaller DNA fragments move faster through the gel
What does TLC stand for and why is it used?
Thin layer chromatography; used to separate and identify components in a mixture
What is Locards Exchange Principal?
Every contact leaves a trace; when a person comes into contact with another person or object there is a cross transfer of physical evidence
What is the CSI effect?
The increased public interest in forensic science following TV shows like CSI: Crime Scene Investigation, often influencing jury expectations
What is CODIS and why is it significant?
DNA Index System; a database that allows law enforcement to compare DNA profiles from crime scenes with known offenders
What is the difference between an agonist and an antagonist?
An agonist binds to a receptor and activates it, producing a biological response while an antagonist binds to a receptor but does not activate it (blocks or inhibits the receptor)
What is the significance of the chain of custody in forensic science?
Tracks the handling of evidence to ensure its validity and admissibility in court
What is the difference between morals and ethics?
Morals are the principles, values, and beliefs that individuals hold about what is right or wrong. Ethics are formalized standards or codes of conduct developed by societies, institutions, or professional groups.