web_L31_10BIO311C - BIO 311C Spring 2010 Exam 3 on Friday...

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BIO 311C Spring 2010 Lecture 31 – Wednesday 14 Apr. 1 Exam 3 on Friday will consist of 45 multiple choice questions and 3 additional questions that require you to write answers directly on the exam. You will need to bring a pencil (and perhaps a back-up pencil) to the exam on Friday. Nothing else will be required. You will not need, and should not use, a calculator during the exam.
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CAM Plants Stomata open at night, allowing CO 2 to diffuse in. Somata close during the day, minimizing evaporative loss of water vapor. CAM plants live in deserts where water loss must be minimized. Their photosynthesis is less efficient than that of typical C 3 plants. Inside of leaf Inside of leaf plant cell plant cell sun goes up sun goes down * vacuole vacuole stomata open closed 4
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1. CO 2 from the atmosphere is covalently bound to a C 3 organic molecule to produce a C 4 organic molecule in darkness while the leaf pores are open so photosynthetic cells are exposed to the atmosphere. 2. The C
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web_L31_10BIO311C - BIO 311C Spring 2010 Exam 3 on Friday...

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