Blood Basics
The liquid portion of blood that carries nutrients and hormones.
Plasma
What does DNA stand for?
Deoxyribonucleic Acid
What is the study of poisons and their effects on the body called?
Toxicology
DNA evidence was used in this 1994 celebrity murder trial.
O.J. Simpson case
What is the process of separating DNA fragments using an electric current called?
Gel electrophoresis
These cells carry oxygen using hemoglobin.
Red blood cells (RBCs)
What is the shape of the DNA molecule?
Double helix
What organ breaks down most toxins in the human body?
Liver
This 1982 case led to tamper-proof packaging laws in the U.S.
Tylenol murders
What term describes a small sample of tissue, blood, or hair collected from a scene?
Evidence
The proteins on red blood cells that determine blood type.
Antigens
Name the four nitrogen bases found in DNA.
Adenine, Thymine, Cytosine, Guanine
What do we call a naturally produced poison, such as snake venom?
Toxin
DNA linked Gary Ridgway to multiple murders in this serial killer case.
Green River Killer
What does LD50 measure?
Lethal dose for 50% of a test population
When incompatible blood types mix, this dangerous reaction occurs.
Agglutination (clumping)
What process copies DNA to make more for testing?
PCR (Polymerase Chain Reaction)
What term describes the time it takes for half of a substance to leave the body?
Half-life
This celebrity’s death was linked to prescription drug overdose in 2007.
Anna Nicole Smith
What is the step in DNA analysis where DNA is compared to known samples?
DNA profiling
The three things blood spatter can help determine at a crime scene.
Direction, velocity, and point of origin
What is the name of the national DNA database used by law enforcement?
CODIS
Which drug category increases energy and alertness?
Stimulants
This unsolved child murder case continues to be re-examined using new DNA technology.
JonBenét Ramsey case
Which factor determines how the body responds to a drug or toxin?
Metabolism