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Biology 118 Dr. George S. Ellmore Office: Barnum 205 (Wednesdays 3-5) Spring 2016 Tufts University Plant Physiology Jan 21 26 28 Course goals: plants’ uniquely productive role Architecture of higher plants Water relations: physical components of Ψ Feb 2 4 9 11 16 23 **25** Biotic components of Ψ in plants; aquaporins Water relations in the field; Osmotic vs other adjusters; case studies Paradox of pores; diffusions shells; hydraulic redistribution Mechanism of stomatal action; soil ions Symplast/apoplast; guttation and tension Mangroves and Maples EXAM: 100 points March 1 3 8 10 15 29 31 Mechanism of movement within phloem Phloem transport Ion uptake; the Nernst equation Respiration, and cyanide resistance Herbicides and energy capture in Φ Carbon fixation in Φ Alternative modes of carbon fixation: C-4 and CAM April 5 7 12 **14** Environmental influence on Φ Nitrogen metabolism Biofuels: C vs N incorporation EXAM: 100 points 19 21 26 28 Signaling and integration: auxin and GA Biosynthesis and elicitors: ethylene and ABA Environmental physiology; trees Higher-order physiology FINAL EXAM (F+ TR Block) : Friday May 6 at Noon (150 points) LEARNING OBJECTIVES, 2016 Biology 118: Plant Physiology at Tufts University Students successfully completing this course are able to: 1) Demonstrate ways to measure environmental services accomplished by plants. 2) Propose ways of using plants to preserve and improve urban, agricultural, rural, and wilderness environments. 3) Explain and provide examples of how plants interact with light, water, soil and other organisms, and how humans can optimize those interactions. 4) Evaluate the idea that plants such as wheat, corn, tea and tomato have exploited humans to become widely successful far beyond their native ranges. 5) Demonstrate and explain research equipment and measures (data) used to document and compare plant response to a changing environment. 6) Recommend (as consultants) how to increase food autonomy through productive food gardens in countries ranging from USA, Vietnam, and Namibia (temperate, tropical, and arid zones). 7) Position themselves to join a research group investigating plant function.