2008 Second Exam

2008 Second Exam - PLSC 400 Environmental Plant Physiology...

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PLSC 400 4/17/2008 Environmental Plant Physiology Second Exam Name: ________________________________________ 1. (10) Solar Radiation a. How are photons of electromagnetic radiation generated in the core of the sun? b. Visible Radiation is divided into a number of spectral regions. What type of light is defined by the following wavelength ranges: 500 – 600 nm ___________________ 320 – 400 nm ___________________ 700 – 800 nm ___________________ 400 – 500 nm ___________________ 290 – 320 nm ___________________ c. When a photon is absorbed by a molecule what happens to the energy of the photon and what happens to the molecule that absorbs it? d. What are two examples of pigment molecules and why are they able to absorb visible radiation? 1
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What is the relationship between the energy of a photon of blue light and a photon of red light? 2. (20) Photosynthesis: Thylakoid Reactions a. Describe the composition of the Core Complex and Reaction Center of Photosystem II b. How is light absorbed by the Light Harvesting Complex of Photosystem II ? 2
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This note was uploaded on 05/14/2008 for the course PLSC 400 taught by Professor Deitzer during the Spring '08 term at Maryland.

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2008 Second Exam - PLSC 400 Environmental Plant Physiology...

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