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[DOC File]Photosynthesis Lab - Northern Kentucky University
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Investigation: Absorption Spectrum & Action Spectrum. Introduction: Light is a form of . electromagnetic (EM) radiation, which travels in waves. More specifically, light is a discrete packet of EM radiation called a . photon. All types of electromagnetic radiation travel in the form of waves at the speed of about 300,000 km per second – the ...
absorption and action spectra

[DOCX File]Spectrometry - BIOLOGICAL CONCEPTS: CELLS, METABOLISM ...
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The Absorption of Light by Plant Pigments As described earlier, we perceive pigments to have a particular color because of the portion(s) of the visible spectrum that are reflected. In this part of the exercise, we will measure the wavelengths of the spectrum that are absorbed and that, by implication, are involved in the photosynthetic process.
absorption spectrum vs action spectrum

[DOCX File]Loudoun County Public Schools / Overview
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What portions of the visible spectrum, based on the absorption spectrum, do you think contribute the most energy to photosynthesis? In an intact plant, both electron transport and carbon fixation will continue as long as the plant is illuminated, and it is possible to study the effect of light intensity and the concentration of CO2 on the rate ...
green light spectrum

[DOC File]Photosynthesis
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Obviously by changing the wavelength setting over the entire range, we can obtain the visible or visible-ultraviolet light absorption spectrum for any solution or compound. PURPOSE To separate pigments from leaves of a green plant using paper chromatography and to determine the wavelength at which energy is absorbed by the individual pigments ...
absorption spectrum examples

[DOC File]Absorption Spectrum of Chlorophyll - Penn Engineering
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For example, view the absorption spectrum for typical plant pigments. The graph shows that when light hits a plant, purple, blue, red, and orange wavelengths have high absorbance values- meaning they are mostly absorbed by the plant and we don not see these colors.
action spectrum of photosynthesis

Plant Pigment | Encyclopedia.com
The absorption spectra of chlorophyll pigment extracts from both spinach and okra had absorption maxima in two regions of the visible spectrum over the range of 400 to 700 nm. For the four trials of spinach, the mean absorption maximum in the blue region was (430 ( 3) nm and the mean absorption maximum in the red region was (662 ( 3) nm.
light spectrum for marijuana plants

Plant absorption spectrum