location of dna
A=T and C=G
# of chromosomes in humans
46 (23 pairs)
charge of dna
Why does DNA migrate to the positive pole in electrophoresis?
relative rate at which RFLPs migrate in gel electrophoresis
why is dna profiling used in forensics?
highschool diploma or GED and formal emergency training. respond to 911 calls for assistance, CPR, bandaging wound, etc.
high school diploma or GED. CPR certificate. notify police and call an ambulance in emergency situations. operate radio, telephone, computers and receive reports about crimes, fires, etc.
crime scene investigator
two year degree (bachelor's or master's) study in criminal justice. process crime scene for evidence, photography, labeling, writing reports, etc.
blood splatter analyst
bachelor's degree in forensics, microbiology. obtain blood samples, observe shapes of blood.
bachelor's degree in nutrition science and certification. assess patients nutritional and health needs, counsel on healthy eating habits, develop meal plans.
bachelor's degree, MD degree (doctor of medicine), 4-7 years internship and residency, USMLE (united states medical licensing examination). performs autopsies, inspect organs, tissue, body for cause of death.
bachelor's degree in forensics. designing experiments, testing hypotheses, analyze data, giving evidence in court, etc.
bachelor's degree in forensics, internship, certificate. collectin, processing, and analyzing fingerprints. collecting physical evidence, sketching crime scene.
helps determine the position of the body at time of death. blood pooling
the cooling of the body after death
Blood splatter analysis
study and analysis of bloodstains at a crime scene. used to draw conclusions about nature, timing, etc.
type a blood
A antigens and anti-B antibodies
type b blood
B antigen and anti-A antibody
type ab blood
A and B antigens, no antibodies, universal recepient
type o blood
universal donor, a and b antibodies
the experimental factor that is manipulated; the variable whose effect is being studied.
the measurable effect, outcome, or response in which the research is interested.
the temperature of the surrounding environment.
a part of the cell containing DNA and RNA and center of the cell
DNA (deoxyribonucleic acid)
special molecule that contains the genetic material of the organism
two strands of nucleotides wound about each other; structure of DNA
a five-carbon sugar that is a component of DNA nucleotides
the base that pairs with Thymine in DNA
the base that pairs with Cytosine in DNA
the base that pairs with Guanine with DNA
double-ring nitrogenous base; adenine and guanine
single-ring nitrogenous base
cytosine and thymine
the analysis of DNA samples to determine whether they came from the same individual
The separation of nucleic acids or proteins, on the basis of their size and electrical charge, by measuring their rate of movement through an electrical field in a gel.
restriction enzymes (endonucleases)
restriction fragment length polymorphism
polymerase chain reaction (PCR)
3 components of a nucleotide
sugar, phosphate, base