BIOL110s05-37 - BIOL 110 Principles of Biology Spring 2005...

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1 BIOL 110 : Principles of Biology Spring 2005 Lecture 37, M 5/2/05 http://www.smccd.net/accounts/staplesn/biol110/ EXTRA CREDIT : Stanford U. Community Lecture Series Wed, 5/4/05, 7pm: “50 Years of Computational Biology” Clark Center Auditorium: www.med.stanford.edu/maps/sumc.html 1 page summary. 15 points, + 5 if you ask a question (include in summmary) Week 14 Lab assignments due THIS week, for In-Lab Discussion (Environmental Issues)!! (SIGN UP!!!) • Week 15 Field Trip : Edgewood Park – Grade for participation & Worksheet!!! (Replace 1 quiz!!!) Bring: Good shoes/boots , light-colored clothing/pants, notepad , binoculars?, hat, sunblock , water, snack? Next: 18 (bits of 19), 25, 23 REVIEW: Ch. 18 (19): • Xylem = water transport, Transpiration, Cohesion/Tension TODAY: Ch. 18 (19): – Vascular cylinder: • Phloem = Sugar transport – Reproductive physiology Ch. 25: Nervous System [& Senses]
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2 3. Osmosis and Wilting • Water responds to solute concentrations; moves osmotically into plant cells • When water loss is balanced by osmotically induced movement inward, plant is erect • If water concentration of soil drops, turgor pressure drops
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BIOL110s05-37 - BIOL 110 Principles of Biology Spring 2005...

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