Ms. Brundage buys a fancy new plant, and brings it home to replace her plastic ones. The action spectrum of the plant's leaves is found in Figure 1 below. Unfortunately it is winter and there is very little natural light. The local hardware store offers her two lighting choices: halogen light or cool white LED. After a little research, she discovers the spectrum of each type of light, as shown in Figure 2. a) Which type of light should Ms. Brundage purchase? Explain. b)The salesperson assures her that her plant most likely will be able to grow under either type of light. Given what you know about plant pigments and photosynthesis, how could this be possible? Explain
Ms. Brundage buys a fancy new plant, and brings it home to replace her plastic ones. The action spectrum of the plant's leaves is found in Figure 1 below. Unfortunately it is winter and there is very little natural light. The local hardware store offers her two lighting choices: halogen light or cool white LED. After a little research, she discovers the spectrum of each type of light, as shown in Figure 2. a) Which type of light should Ms. Brundage purchase? Explain. b)The salesperson assures her that her plant most likely will be able to grow under either type of light. Given what you know about plant pigments and photosynthesis, how could this be possible? Explain
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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Ms. Brundage buys a fancy new plant, and brings it home to replace her plastic ones. The action spectrum of the plant's leaves is found in Figure 1 below. Unfortunately it is winter and there is very little natural light. The local hardware store offers her two lighting choices: halogen light or cool white LED. After a little research, she discovers the spectrum of each type of light, as shown in Figure 2.
a) Which type of light should Ms. Brundage purchase? Explain.
b)The salesperson assures her that her plant most likely will be able to grow under either type of light. Given what you know about plant pigments and photosynthesis, how could this be possible? Explain.
Transcribed Image Text:14
1.2
0.8
0.6
04
0.2
Violet
Blue
Cyan
Green Yellow
Red
Wavelength(nm)
Figure I: Absorption spectrum of primary pigment of newly discovered plant
100,
Halogen
1007
Cool White LED
80-
80-
60-
60-
40-
20
20-
0-
550
700
ra Violet Blue Cyan Green
Yellow OrangeRed
Magenta
ra Violete Cyan GreenTlow Orange Red Maganta
Wavelength (nm)
Wavelength (nm)
Figure 2: The spectrum of halogen lights vs. cool white LED
Intensity
Absorbance
450
Intensity
009
09
00L
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