Plant Pigments and Photosynthesis
1. What is the color of the following plant pigments? Which wavelengths do they absorb?
Pigment Color Wavelengths (colors) absorbed
Chlorophyll A
Chlorophyll B
Carotene
Xanthophyll
Anthocyanin
2. Explain how the wavelengths absorbed and reflected determine the color of a pigment?
3. Take a look at the overall reaction for photosynthesis and suggest two ways that the rate of photosynthesis could be measured (Hint: Consider how the substrates and products will change throughout the course of the reaction).
6CO2 + 6H2O + Light Energ → C6H12O6 + 6O2
4. Many deciduous trees have leaves that turn yellow in the fall. What is happening in the leaves at the cellular and molecular level that is responsible for this color change?
5. Chloroplasts are the organelles in plant cells that convert solar energy to chemical energy (sugars) that can be used by the cell. Mitochondria are organelles in all eukaryotic cells that convert sugars to ATP Both organelles are have double membranes and contain their own set of DNA. What is the likely explanation for this?
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Plant Pigments and Photosynthesis
1. What is the color of the following plant pigments? Which wavel...
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