1. BIO107 Introduction to Biotechnology Dr. Ty C.M. Hoffman bio107hoffman@gmail.com 1

2. Science Versus Religion Religion is based on faith in the absence of evidence. Science is based on evidence that leads to belief. 2

3. What is Chemistry? What is Biology? What is Biotechnology? 3

4. Sodium Chlorine Sodium chloride 4

5. Nucleus Protons (+ charge) determine element Neutrons (no charge) determine isotope Atom Electrons (– charge) form negative cloud and determine chemical behavior 5

6. ReactantsReactionProducts 2 H 2 O2O2 2 H 2 O 6

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8. Order Evolutionary adaptation Response to the environment Reproduction Growth and development Energy processing Regulation 8

9. The biosphere Communities Populations Organisms Ecosystems Organs and organ systems Cells Cell Organelles Atoms Molecules Tissues 10 µm 1 µm 50 µm 9

10. 1 µm Organelles Nucleus (contains DNA) Cytoplasm Membrane DNA (no nucleus) Membrane Eukaryotic cell Prokaryotic cell 10

11. Nucleus DNA Cell Nucleotide (a) DNA double helix(b) Single strand of DNA 11

12. Classes of Biological Macromolecules Lipids Polysaccharides Proteins Nucleic Acids 12

13. Tools of Biotechnology: Centrifuge 13

14. Tools of Biotechnology: Vortexer 14

15. Tools of Biotechnology: Tubes 15

16. Tools of Biotechnology: Racks 16

17. Tools of Biotechnology: Gel Trays 17

18. Tools of Biotechnology: Power Supplies 18

19. Tools of Biotechnology: Pipettes 19

20. Tools of Biotechnology: Pipettors 20

21. Tools of Biotechnology: Heat Blocks 21