1. Biologists’ Tools and Technology
Biology Section 1.4

2. Microscope Tool that provides an enlarged image of an object
Light microscopes
use light to magnify
an image
Microscope

3. Uses a beam of electrons to create an enlarged image of an object
Not able view living specimens
Electron Microscopes

4. Scanning Electron Microscope
Shows 3-D image of an object by passing electrons over the surface
Scanning Electron Microscope

5. Transmission Electron Microscope
Passes electrons through a thin slice of a specimen
Transmission Electron Microscope

6. Medical Imaging X-Rays: View dense tissue
MRI: Views soft and dense tissues
Medical Imaging

7. Allows us to model situations that would not be appropriate to test in real life
Computer modeling

8. Segment of DNA that stores genetic information for a particular trait

9. Molecular Genetics Study and manipulation of DNA
Genetically modified foods
Transgenic plants and animals
Gene therapy
Molecular Genetics

10. Sequencing DNA in order to compare genomes (entire sets of DNA) between species
Genomics