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Approximately how much chlorophyll was present in the low-light plants after 24 hours?   A. about 200 micrograms/g   B. about 225 micrograms/g   C. about 300 micrograms/g   D. about 400 micrograms/g

Approximately how much chlorophyll was present in the low-light plants after 24 hours?   A. about 200 micrograms/g   B. about 225 micrograms/g   C. about 300 micrograms/g   D. about 400 micrograms/g

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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Approximately how much chlorophyll was present in the low-light plants after 24 hours?
 
A. about 200 micrograms/g
 
B. about 225 micrograms/g
 
C. about 300 micrograms/g
 
D. about 400 micrograms/g
**Graph 1: Amount of Chlorophyll with Different Amounts of Light** This graph illustrates the relationship between light intensity and chlorophyll production over time. Chlorophyll content is measured in micrograms per gram (µg/g) and plotted over a period of 48 hours. - **X-Axis (Horizontal):** Represents time in hours, starting from 0 to 48. - **Y-Axis (Vertical):** Represents the amount of chlorophyll in µg/g, ranging from 0 to 600. **Key Observations:** 1. **Low Light (Solid Line):** - Initially, there is a gradual increase in chlorophyll content. - From 0 to 12 hours, the increase is modest. - A noticeable rise is observed between 24 to 48 hours, reflecting a steady growth. 2. **Moderate Light (Dashed Line):** - Chlorophyll content starts low, similar to the low light conditions. - A gradual increase is observed up to 12 hours. - From 12 to 48 hours, particularly after 24 hours, there is a sharp and significant increase in chlorophyll content, reaching close to 600 µg/g. **Conclusion:** The graph indicates that moderate light conditions result in a more substantial increase in chlorophyll production over time compared to low light conditions. This demonstrates how light intensity can significantly influence chlorophyll levels in plants.
Transcribed Image Text:**Graph 1: Amount of Chlorophyll with Different Amounts of Light** This graph illustrates the relationship between light intensity and chlorophyll production over time. Chlorophyll content is measured in micrograms per gram (µg/g) and plotted over a period of 48 hours. - **X-Axis (Horizontal):** Represents time in hours, starting from 0 to 48. - **Y-Axis (Vertical):** Represents the amount of chlorophyll in µg/g, ranging from 0 to 600. **Key Observations:** 1. **Low Light (Solid Line):** - Initially, there is a gradual increase in chlorophyll content. - From 0 to 12 hours, the increase is modest. - A noticeable rise is observed between 24 to 48 hours, reflecting a steady growth. 2. **Moderate Light (Dashed Line):** - Chlorophyll content starts low, similar to the low light conditions. - A gradual increase is observed up to 12 hours. - From 12 to 48 hours, particularly after 24 hours, there is a sharp and significant increase in chlorophyll content, reaching close to 600 µg/g. **Conclusion:** The graph indicates that moderate light conditions result in a more substantial increase in chlorophyll production over time compared to low light conditions. This demonstrates how light intensity can significantly influence chlorophyll levels in plants.
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