BioLab3 Photosynthesis Lab Report 

BioLab3 Photosynthesis Lab Report - Page 1 BioLab3...

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Page 1 BioLab 3 Photosynthesis Lab Report  Student Name: I. Photosynthesis Define the following terms: Photosynthesis Autotrophs Heterotrophs Photons II. Where Photosynthesis Occurs Define the following terms: Upper and lower  epidermis Cuticle Stomata Guard Cells Xylem Phloem Palisade Mesophyll Chloroplasts Spongy Mesophyll List the requirements for photosynthesis to occur? Where does the water in photosynthesis come from? 
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Page 2 Energy from the sun is utilized by plants in which form? Which cells have the highest concentration of chloroplasts? What is the function of the stomata? EXERCISE 1 -  Where photosynthesis occurs Name each of the labeled parts of the plant A B C D E F G H I III. Light Absorption Define the following terms: Pigments Absorption spectrum  EXERCISE 2  – Effect of different wavelengths of light on photosynthesis What changes occur in the spectrum when a red filter is placed between the light source and the prism? What changes occur when using a blue filter? What changes occur when using a green filter? What is the relationship between the color of a pigment (filter) and the absorption of light by the pigment? Compare the absorption spectrum of the chloroplast extract with the absorption spectrum of the green filter.
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Page 3 IV. Photosynthetic Pigments Define the following terms: Paper  chromatography Chromatogram EXERCISE 3  – Separating plant pigments What wavelength (color) of light would you expect carotene to absorb least?
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