120112 - introduction to biochemistry
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BIOKIMIATRANSCRIPT
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INTRODUCTION TO BIOCHEMISTRY
Rondang Soegianto
2009
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Chemistry is the Study of Matter
and its Changes
- What is matter?
- What are the changes?
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BIOCHEMISTRY = LIFE SCIENCE
Chemistry of living system related to
Functions and Needs of the system
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Matter changes thru chemical reactions
Atoms interact to form a bond =
Chemical bonding
- Ionic bonds
- Covalent bonds
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Ionic Bonds
Atoms that loses e- pos ion (cation)
Atom that acquires e- neg ion (anion)
Ex. Ca + 2 Cl CaCl2
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Covalent Bond
Sharing of a pair of electrons between atoms
Ex. H2 , CH4
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Functional Groups
1. Hydroxyl 6. Carbonyl 2. Aldehyde 7. Amine3. Carboxylic 8. Amide4. Ether 9. Thioester5. Ester 10. Phosphoester
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Fat = Triacylglycerol
Ketoacids (α-Ketoglutaric acid)
Thioether -C-S-C- (Methionine