10.01.09_DiscHmwk - Intro Bio 151 Discussion Homework week...

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Intro Bio 151 Discussion Homework; week of 10/5-10/9 Name: Josh Litwicki Review Chapter 8 and pages 162–164 of Chapter 9 in Biology , 8th edition. Then complete the discussion by supplying or choosing the appropriate terms. To maintain life, organisms must be able to convert energy from one form to another. For example, in the process of photosynthesis, algae, plants, and photosynthetic prokaryotes use the energy from sunlight to convert carbon dioxide and water to glucose and oxygen (a waste product). The summary reaction for photosynthesis can be written as 6 CO 2 + 6 H 2 O ―› C 6 H 12 O 6 + 6 O 2 This type of reaction is an oxidation–reduction (or redox) reaction. This reaction is also [ anabolic /catabolic] and [ endergonic /exergonic]. In redox reactions, ___electrons____ (and associated H n + ions) are transferred from one compound or element to another. If one compound or element loses ____electrons__ and becomes oxidized, another must gain ____electrons___ and become reduced. For example, in photosynthesis, water becomes [ oxidized /reduced] (to O 2 ) and the ___electrons_____ (and associated H + ions) it “loses” in the process [oxidize/ reduce ] CO 2 to glucose.
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