Photosynthesis

Essay specific features

 

Issue:

Science

 

Written by:

Connie R

 

Date added:

August 23, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

6 / 1605

 

Was viewed:

2967 times

 

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Essay content:

Different wavelengths and light intensities were tested on the solutions, and a control was used to monitor for any change without light exposure. A spectrophotometer was used to measure the absorbance of the liquid after each subsequent light exposure. It was determined that the optimum wavelength was 665nm and the optimum light intensity was 45 uEinsteins/m2/sec...
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These findings are as one would predict, because the dominant light pigments are chlorophylls a and b which absorb light on the wavelength from 430nm-450nm and 640nm-660nm. As light intensity increases so, does the reaction rate of photosynthesis, heat withstanding, but with the effects of heat also having a factor, after reaching a certain intensity reaction rates drop due to inhabitance from the heat-sensitive enzyme system...
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