BIOL110s05-02 - BIOL 110: Principles of Biology Spring 2005...

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1 BIOL 110 : Principles of Biology Spring 2005 Lecture 2, F 1/21/05 Dr. Nathan Staples (Ph.D., UCSB 2002) http://www.smccd.net/accounts/staplesn/biol110/ • Don’t forget to read and prepare Pre-Lab writeups for next Mon./Wed. Labs Review : Biology; organization of life…. . A. Levels of Organization 1. Cell 2. Multicelled organism 3. Population 4. Community 5. Ecosystem 6. Biosphere
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2 atom cell tissue organ organ system Fig 1.1 molecule 1. 2. 4. 3. 5. 6. community Fig 1.1 multicelled organism population ecosystem the biosphere 7. 9. 10. 8. 11.
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3 B. Molecules of Life All things are made up of the same units of matter Living things are made up of a certain subset of molecules: 1. Nucleic acids 2. Proteins 3. Carbohydrates 4. Lipids Fig 1.2 Same basic components Æ very different results!!!
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4 C. DNA (deoxyribonucleic acid) 1. Signature molecule of life 2. Molecule of inheritance 3. Directs assembly of amino acids DNA and Inheritance Inheritance : – Acquisition of traits by way of transmission
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BIOL110s05-02 - BIOL 110: Principles of Biology Spring 2005...

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