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Calculate the rate of photosynthesis( absorption units/min) for sample 1 and 6.

Calculate the rate of photosynthesis( absorption units/min) for sample 1 and 6.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Calculate the rate of photosynthesis( absorption units/min) for sample 1 and 6. 

A buffered solution containing chloroplasts and DCPIP was divided equally among six identical samples. The samples were placed at various distances from a lamp, and then all samples were exposed to white light from the lamp for 60 minutes at room temperature. Sample 3 was wrapped in foil to prevent any light from reaching the solution. At 20-minute intervals, the photosynthetic activity in each sample was determined by measuring the relative absorbance of 605 nm light. See the results of the experiment below Relative Absorbance of 605 nm Light (arbitrary units) Sample 0 min 60 min Distance from lamp (cm) 20 min 40 min 1 15 0.89 0.61 0.34 0.04 2 30 0.90 0.67 0.41 0.14 3* 30 0.88 0.87 0.86 0.87 4 45 0.86 0.69 0.47 0.26 5 60 0.92 0.75 0.59 0.41 6 75 0.88 0.79 0.71 0.58 *Wrapped in foil LO
Transcribed Image Text:A buffered solution containing chloroplasts and DCPIP was divided equally among six identical samples. The samples were placed at various distances from a lamp, and then all samples were exposed to white light from the lamp for 60 minutes at room temperature. Sample 3 was wrapped in foil to prevent any light from reaching the solution. At 20-minute intervals, the photosynthetic activity in each sample was determined by measuring the relative absorbance of 605 nm light. See the results of the experiment below Relative Absorbance of 605 nm Light (arbitrary units) Sample 0 min 60 min Distance from lamp (cm) 20 min 40 min 1 15 0.89 0.61 0.34 0.04 2 30 0.90 0.67 0.41 0.14 3* 30 0.88 0.87 0.86 0.87 4 45 0.86 0.69 0.47 0.26 5 60 0.92 0.75 0.59 0.41 6 75 0.88 0.79 0.71 0.58 *Wrapped in foil LO
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