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Topics: Photosynthesis, Color, Light Pages: 2 (886 words) Published: November 3, 2014

Photosynthesis On-line Lab
PART A. Separation of Plant pigments
Access the following website:
http://www.phschool.com/science/biology_place/labbench/lab4/intro.html (you will need to "cut and paste" this into your browser)
You should see the Plant Pigments & Photosynthesis lab.
Under the figure of the notebook, click the "next" button.
Read "Key Concepts I: Plant Chromatography"
Then click "next" and read "Design of Experiment I"
Then click "a closer look".
Read "Depositing the Pigment", then click "next".
View "Pigment Separation". Watch the time lapse view to see the pigments separate. Then click "next".
*Complete the "Analysis of Results I" and make sure to record your calculation of the Rf value for green. (You can check your answer to see if it's correct on the website.) Rf = 0.3

*Now click "Self Quiz" and take the "lab quiz" on the website and include your answers in your written report. (You can also check your answers on the website before you include them in your report.) You need only put the letter of the correct response on your report - you do not need to type out the questions or answers.

Click "next" and read Key Concepts II then click "next concept" and read that. That will be the end of Part A.
You may want to consult your textbook's chapter on light and photosynthesis and then complete the following (in addition to including the answers indicated with an * above.) Answer the following questions to be word-processed and turned in. Write the overall general chemical equation for photosynthesis. (use light energy) 6CO2+ 6H2O C6H12O6 + 6O2

Explain the overall importance of photosynthesis to plants.
Plants are autotrophs that they make their own food. Photosynthesis is how plants feed themselves. Explain the overall importance of photosynthesis to the living world. Through the process of photo synthesis, plants use solar energy to convert CO2 and H2O to sugars and other organic molecules, and they release...
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