Crime scene basics
Photographing the scene and keeping notes
What are examples of documenting a crime scene?
Part of the cell in which DNA is stored
What is the nucleus
Tool used to measure mass in grams
What is a balance
The symbol for water
What is H2O?
Tape used during investigations to lure away passerbys and not interact with the crime scene
What is caution tape
Process by which cells divide to make IDENTICAL copies, cause of growth and healing wounds
A narrow glass tube used for mixing or heating substances
What is a test tube
The process of separating a liquid from a solid using filter paper?
What is filtration?
a substance with a pH less than 7
What is an acid
the process of extracting DNA from a crime scene and comparing it to DNA stored in data bases to find potential suspects.
What is DNA profiling?
Largest organ in the human body and first layer of defense.
What is the skin?
Piece of lab equipment that is placed over a flame to protect glassware.
What is a wire gauze / ring stand
the unaffected group in an experiment
What is the control group
The atomic number of an element tells you this about the element
The amount of protons
The carefully tracked movement of evidence-from-a-crime from person-to-person
What is chain of custody?
Different forms of the same gene
What are alleles?
Piece of lab equipment that is placed over a flame to protect glassware.
What is a diaphragm?
a variable that is deliberately changed in an experiment in hopes of affecting the results
What is the independent variable
Chemical equation for glucose
C6H12O6
A method of searching a crime scene that consists of investigators moving in lines back and fourth in shape of a “grid”
what is grid search?
Percent of identical DNA amongst humans
What is 99.9%
Tool used to separate substances based on size or density in a spinning motion?
What is a centrifuge?
The curved surface of liquid in a container, used to measure volume at eye level.
What is the meniscus
Proceeds where a solid turns directly into a gas
Sublimation