Notes Feb 1

Notes Feb 1 - FEBRUARY 1 2011 CELL BIOLOGY AND MEMBRANES...

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Unformatted text preview: FEBRUARY 1, 2011: CELL BIOLOGY AND MEMBRANES BIG IDEAS 1. Literacy: Why is all life cellular? 2. Literacy: What are membranes and what about their chemistry allows them to perform their necessary functions? 3. Literacy: What is the role of proteins in membranes? 4. Literacy: Describe quorum sensing. 5. Reasoning: How do you extract DNA? What is happening at each step? 6. Stewardship: How does an understanding of the biochemistry of cystic fibrosis allow us to find solutions? What are the three types of genetic mutations in CF and how can they be corrected? CELL 1: Outline All Life is Cellular Membranes Breaking Cells CELL 2: Buckminster Fuller Environment to each must be All there is, that isn't me. Universe in turn must be All that isn't me AND ME. CELL 3-6: All Life is Cellular Picture 1 Wettle Seal: What is she regulating? Salmon: What is it regulating? CELL 7: Homeostasis • Thermal • Osmotic • Waste • Energy Picture 2 CELL 8-9: Lipid Membrane • Lipid Bilayer o Creates Flexible Boundary • Polar (charged) molecules do not move easily through non-polar membrane core • Water moves fairly easily through membrane (cellular swelling) • Apolar molecules move quickly across membranes CELL 10: Membrane Chemistry • Lipids--Necessary because of how they interact with water • Proteins--Necessary because of their diverse shapes and functions CELL 11-15: Membrane Proteins Passive Transport Active Transport • Communicate with environment • Identify as “self” or “foreign” Types • Connect cells to make tissue • Dictate development • Control metabolic processes • Receptors: • Ion Channels CELL 16: Quorum Sensing How do bacteria communicate? How is it dependent on membrane chemistry? CELL 17-18: Other Membranes • Thylakoid Membranes o Plants o Harvest Energy From Light • Mitochondrial Membrane o Electron transport chain CELL 20-28: Cystic Fibrosis Case Study Picture 3 Picture 5 • Rusty Gate • Transport to Membrane • Premature Termination Picture 6 ...
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This note was uploaded on 03/29/2011 for the course BIOLOGY 100 taught by Professor Staff during the Winter '08 term at BYU.

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Notes Feb 1 - FEBRUARY 1 2011 CELL BIOLOGY AND MEMBRANES...

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