Random
DNA
Fingerprints
Powders + Plastics
Fibers + Hairs
100
What is forensic science?
The application of scientific methods and techniques to legal matters (crime).
100
What is the shape of DNA called?
A helix/double helix
100
What are the 3 kinds of fingerprints?
Loop, Whorl, Arch
100
What ELEMENT is plastic created from mainly?
Carbon
100
What is the function of hair in humans
protection
thermoregulation
etc
200
Name the two kinds of observations + an example of each
Quantitative: numbers
Qualitative: senses
200
DNA's full scientific name?
Deoxyribonucleic Acid
200
Which fingerprint pattern has exactly 1 delta?
Loop
200
Burning a powder creates a orange flame. What element is likely in the powder
Calcium
200
Name the three layers of hair from inner to outer
medulla, cortex, cuticle
300
Name a BASIC powder.
sodium acetate, sodium bicarbonate, sodium carbonate
300
Name the four nitrogenous bases
Adenine, Cytosine,Guanine, Thymine
300
Why is every fingerprint unique
Different movements, and conditions in the uterus cause variety in fingerprint.
300
Define solubility and give an example of an insoluble powder.
The ability for something to dissolve in water.
cornstarch, calcium sulfate, calcium carbonate
300
What kind of fiber will recoil from a flame
Animal fiber
400
DNA is antiparallel. What does antiparallel mean?
The strands are going in opposite directions.
400
What two components make up the "backbone" of DNA
phosphate group and deoxyribose sugar
400
What is the chance of someone having a tented arch fingerprint?
1%
400
A powder fizzes in HCl. What gas is released?
CO2
400
Which fiber, when burned, releases a sweet odor
Polyester
500
What is the most common fingerprint type?
Loops
500
Which three people stole Rosalind Franklins photo and won the Nobel Prize?
Wilkins, Watson and Crick
500
Crime scene fingerprints that can be seen without dusting are...
patent/plastic
500
What two powders can Benedicts solution test for?
Glucose and ammonium chloride
500
What animal is this from and what kind of medulla is this
Squirrel, latticed medulla