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[DOC File]CHAPTER 10 PHOTOSYNTHESIS
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The action spectrum of photosynthesis does not match exactly the absorption spectrum of any one photosynthetic pigment, including chlorophyll a. Only chlorophyll a participates directly in the light reactions but accessory photosynthetic pigments absorb light and transfer energy to …
action spectrum vs absorption spectrum

[DOC File]Study Guide Chapter 10 Photosynthesis
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An action spectrum profiles the relative effectiveness of different wavelengths of radiation in driving a process The action spectrum of photosynthesis was first demonstrated in 1883 by Thomas Engelmann In his experiment, he exposed different segments of a filamentous alga to different wavelengths
define absorption spectrum in photosynthesis

[DOC File]Campbell's Biology, 9e (Reece et al.)
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He worked out the overall equation of photosynthesis: 6 CO2 + 6 H2O + solar energy ( C6H12O6 + O2. 1869-71 K.A. Timirjazev (from St. Petersburg) developed a method to investigate the spectrum of light and against the background of the law of energy conservation he stressed the pivotal role of green plants for the transformation of light energy ...
what is an action spectrum

Optimizing spectral quality with quantum dots to enhance crop yiel…
An action spectrum measures changes in some measure of photosynthetic activity (for example, O2 release) as the wavelength is varied. The action spectrum of photosynthesis was first demonstrated in 1883 in a clever experiment performed by Thomas Engelmann. Different segments of a filamentous alga were exposed to different wavelengths of light.
photosynthesis spectrum absorption

[DOC File]Chapter 10: Photosynthesis - Auburn University
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The action spectrum (rate of photosynthesis) is shown by the dotted line and the absorption spectrum is shown by the solid line. Think about why these two lines do not exactly match, then answer the following question.
action spectrum graph

[DOC File]CHAPTER 10
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the action spectrum looks similar to the absorption spectrum of chl a, but is augmented by the absorption spectrum of the accessory pigments. blue and red light are most effective for photosynthesis. action spectra can vary depending on species. photosynthetic prokaryotes have plasma membrane folds that act like thylakoid membranes.
action spectra

[DOC File]Ch 10 Notes (part 2): The Light Reactions
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Sep 25, 2012 · 61) Figure 10.1 shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. Why are they different? A) Green and yellow wavelengths inhibit the absorption of red and blue wavelengths. B) Bright sunlight destroys photosynthetic pigments. C) Oxygen given off during photosynthesis interferes with the absorption of ...
chlorophyll a absorption spectrum

[DOC File]ANSWERS 1 (68 Marks)
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10.4 The solid line is the absorption spectrum; the dotted line is the action spectrum. Some wavelengths of light, particularly in the yellow and orange range, result in a higher rate of photosynthesis than would be indicated by the absorption of those wavelengths by chlorophyll a.
action and absorption spectrum photosynthesis

[DOC File]What was the function of the DPIP
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1. White light can be broken up into its visible spectrum. List the colors of the visible spectrum in order from decreasing to increasing wavelength. Violet, indigo, blue, green, yellow, orange, red. Slide 8. 1. This is the action spectrum for chlorophyll a. Red-orange @ about 680 nm. Slide 9 (Explanation of the light dependent reactions) 1.
action spectrum vs absorption spectrum

[DOC File]Neoscience Tutorial on Photosynthesis
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Why is the action spectrum for photosynthesis similar to the absorption spectra of photosynthetic pigments? A. Photosynthetic pigments have the same optimum temperature as the enzymes used in photosynthesis. B. Plants absorb the same photosynthetic pigments for use in photosynthesis. C. Only wavelengths of light absorbed by pigments can be used ...
define absorption spectrum in photosynthesis

Action spectrum of photosynthesis