GRAPH 1. AMOUNT OF CHLOROPHYLL WITH DIFFERENT AMOUNTS OF LIGHT 600 - Low light --- Moderate light 500 400 300 200 100 12 48 Hours 24 5. 3. Amount of chlorophyll (pg/g)
GRAPH 1. AMOUNT OF CHLOROPHYLL WITH DIFFERENT AMOUNTS OF LIGHT 600 - Low light --- Moderate light 500 400 300 200 100 12 48 Hours 24 5. 3. Amount of chlorophyll (pg/g)
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 moderate-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
Transcribed Image Text:**Graph 1: Amount of Chlorophyll with Different Amounts of Light**
This graph displays the relationship between chlorophyll production in plants and the duration of exposure to varying light intensities over 48 hours.
**Axes and Labels:**
- The x-axis represents time in hours, ranging from 0 to 48 hours.
- The y-axis shows the amount of chlorophyll measured in micrograms per gram (µg/g), ranging from 0 to 600.
**Lines Representing Light Intensity:**
- The solid line depicts plants exposed to low light conditions.
- The dashed line represents plants exposed to moderate light conditions.
**Data Points and Trends:**
- In low light conditions, chlorophyll levels increase gradually, starting near 0 µg/g and reaching slightly above 100 µg/g by 48 hours.
- In moderate light conditions, the increase in chlorophyll is more pronounced, starting similarly to low light, but rising steeply after 24 hours, reaching around 550 µg/g at 48 hours.
**Interpretation:**
The graph indicates that moderate light conditions significantly enhance chlorophyll production compared to low light, particularly evident after a 24-hour period. This suggests that light intensity plays a crucial role in chlorophyll synthesis.
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