Bio1_06_OrganicMolecules - 1 2 3 1 2 4 1 2 5 6 7 8...

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1 Self-Quiz 2. Why would you expect calcium to become an ion that carries a two plus charge? 3. Why can carbon bind with 4 other atoms? 4. Why is water cohesive? Why is cohesion important for water transport in plants? 5. How is blood pH kept at 7.4? Overview • Ch. 3: Chemistry of Organic Molecules – Carbon compounds – Carbohydrates – Lipids – Proteins – Nucleic acids Carbon • Organic molecules • Carbon shares 4 electrons – C H N O P S • Hydrocarbons – C-C bond stable – May form double or triple bonds – Ring form Representing Carbon Compounds • Carbon – Always forms 4 bonds – Some may be in double bonds • Hydrogen – Only forms 1 bond • Oxygen – Forms 2 bonds* • Nitrogen – Forms 3 bonds* • Structural drawings – Some atoms may be assumed Assignment 1 • Think, Pair, Share • Topic: Identify all of the carbons and hydrogens that are assumed in the figure given. Carbon Molecules • Functional groups – Hydroxyl – Carbonyl – Carboxyl – Amino – Sulfhydrl – Phosphate • Isomers Assignment 2 • Think, Pair, Share • Topic: Identify the functional groups in the molecules below. (See text Fig. 3.2 for assistance) Carbon Compounds in Cells 1 2 3 1 2 4 1 2 5 6 7 8
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2 • Biomolecules • Building biomolecules
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This note was uploaded on 01/12/2012 for the course BIOLOGY 1 taught by Professor Teresafinnern during the Fall '11 term at Riverside Community College.

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Bio1_06_OrganicMolecules - 1 2 3 1 2 4 1 2 5 6 7 8...

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