BIOS 2011 Lab 2 Photosynthesis

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Unformatted text preview: Y Scatter plot. Graph the variable you controlled on the X ­axis and results on the Y Axis. Label your axes with the variable and its units. c) Caption. 1) Graph 1. Include your graph of the absorption spectrum of chloroplasts. Absorption (or Absorbance) is measured in units called OD (for Optical Density). Add a title to your graph. In a caption below the graph: include a short discussion (a sentence or two) that explains the trend and what you think caused it. What do the two peaks represent? What is your hypothesis about why most plants are green? 2) Graph 2. Plot the absorbance vs. time exposed to light for the data obtained from the assay of light ­dependent reduction of DCPIP. In other words, graph measurement of DCPIP absorbance at 600nm (OD600) over time. The title should be complete and include what agent caused the...
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This note was uploaded on 02/09/2012 for the course BIOLOGY 102 taught by Professor Anderson during the Spring '11 term at Harvard.

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