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Questions and Answers
Why does chlorophyll from both ends of the spectrum react with light in the case of green water?
Why does chlorophyll from both ends of the spectrum react with light in the case of green water?
- Because green water still allows some blue and red wavelengths to pass through (correct)
- Because chlorophyll A is highly reactive with green light
- Because chlorophyll B is highly reactive with green light
- Because green water filters out all other wavelengths except green
What wavelengths does the green water allow to pass through?
What wavelengths does the green water allow to pass through?
- Yellow and orange wavelengths
- Only green wavelengths
- Blue and red wavelengths (correct)
- Violet and indigo wavelengths
What percentage of light does chlorophyll A get in the blue curve?
What percentage of light does chlorophyll A get in the blue curve?
- 25%
- 75% (correct)
- 0%
- 50%
What is the main difference in reaction rate between green water and blue/red water?
What is the main difference in reaction rate between green water and blue/red water?
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What is the role of chlorophyll A and chlorophyll B in the context of the light curves?
What is the role of chlorophyll A and chlorophyll B in the context of the light curves?
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Study Notes
Chlorophyll and Light Reaction
- Chlorophyll reacts with light from both ends of the spectrum in the case of green water.
- Green water allows light with wavelengths of around 500-550 nm to pass through, which is why it appears green.
Chlorophyll A and Light Absorption
- Chlorophyll A absorbs light in the blue curve, receiving around 98-99% of the light in this spectrum.
- Chlorophyll A has a high absorption rate in the blue-violet end of the spectrum.
Comparison of Reaction Rates
- The main difference in reaction rate between green water and blue/red water is that green water has a faster reaction rate due to the optimal absorption of light by chlorophyll.
Roles of Chlorophyll A and Chlorophyll B
- Chlorophyll A is the primary pigment responsible for absorbing light energy and initiating photosynthesis.
- Chlorophyll B, on the other hand, absorbs light in the blue-violet end of the spectrum and transfers the energy to chlorophyll A, which then initiates photosynthesis.
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