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BIOS 2011 Lab 2 Photosynthesis

Bios 2011 lab 2 photosynthesis

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Unformatted text preview: Exercise 2 Photosynthesis PHOTOSYNTHESIS The light reactions in chloroplasts from Spinacia oleracea Learning Objectives: 1. To become familiar with the light reactions of photosynthesis — the sequence of events, the physical mechanisms, and the derived products and by ­products. 2. To learn how to use a spectrophotometer. Readings: Hillis, Sadava, Heller, and Price, Principles of Life, 2012. Pages 113-118. Appendix A, Use of Digital Micropipettors Appendix B, How to Present Results Assignment: Data and analysis writeup. See Appendix I. Worth 20 points. INTRODUCTION The Carbon Cycle At the heart of the delicate balance of the biosphere is an elegant symbiosis between plants and animals. All animals breathe oxygen, exhale carbon dioxide, and use the energy gained in the process to provide for cellular metabolism, including the breakdown of ingested food. Through photosynthesis, plants take in carbon dioxide, release oxygen,...
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