Zusammenfassung der Ressource
Forensics Test Revision
- Blood
- Plasma
- Contains Substances
- Red Blood Cells
- Carry Oxygen
- White Blood Cells
- Blood Clotting
- Platelets
- Blood Clotting
- Blood Groups
- A
- B
- O
- Can Only accept O
- AB
- Antigens found on the Surface of the Membrane
- Finger Printing
- Has a person touched a Surface?
- Humans have oils in there skin
- Can Be Identified By:
- Chemical Spray
- Powder Dusting
- Whorls, Arches, Loops etc.
- DNA
- How do they use it?
- 1. Extract the DNA
- 2. Cut the the DNA into fragments
- Electrophoresis
- 3. Put into walls on an Agar Plate
- 4. Apply an Electric Current
- 5. The Fragments will move up and down the plate
- Rigor Mortis
- Stiffing of Joints and Muscles a few hours after Death.
- Microscopes
- Electron Microscopes
- Picometers
- In Black & White
- Light Microscopes
- Micrometers
- In Colour
- Only to x1000