The figure below shows the concentration of glucose for a 24-hour period on both the process of photosynthesis (blue) and cellular respiration (red dashed lines). What explains the increase of respiration rate during the day? a. Enzymes are active during the day. b. Glucose production has increased due to photosynthesis. c. More energy is required to transport water and phloem sap and to dissipate heat. d. All of the above.
The figure below shows the concentration of glucose for a 24-hour period on both the process of photosynthesis (blue) and cellular respiration (red dashed lines). What explains the increase of respiration rate during the day? a. Enzymes are active during the day. b. Glucose production has increased due to photosynthesis. c. More energy is required to transport water and phloem sap and to dissipate heat. d. All of the above.
Chapter21: Phytochemicals
Section: Chapter Questions
Problem 5RQ
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Question
The figure below shows the concentration of glucose for a 24-hour period on both the process of photosynthesis (blue) and cellular respiration (red dashed lines). What explains the increase of respiration rate during the day?
a.
Enzymes are active during the day.
b.
Glucose production has increased due to photosynthesis.
c.
More energy is required to transport water and phloem sap and to dissipate heat.
d.
All of the above.
Transcribed Image Text:Glucose Balance
(grams/hour)
rate of
photosynthesis
rate of plant
respiration
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
X
Time of Day (hours)
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Follow-up Question
what is the fundamental reason for the drop of photosynthetic rate at noon?
a.
Photosynthetic enzymes slowly inactivate starting at noon.
b.
Oxygen concentration is at its peak inducing the oxygenase property.
c.
Cellular respiration breaks down a greater amount of newly formed glucose.
d.
Wavelengths during the afternoon are mostly not essentia
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