Corporate plant growers will increase the levels of CO2 in their greenhouses in order to increase the rates of photosynthesis which will help plants grow faster and stay healthy, Growers know that they can increase CO2 levels to a certain point before the rate of photosynthesis stops increasing and will level off, Select the best explanation as to why the rate of photosynthesis will level off even when the Calvin Cycle receives an unlimited supply of CO2 roduced

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter21: Photosynthesis
Section: Chapter Questions
Problem 5P: The Relative Efficiency of ATP Synthesis in Noncyclic versus Cyclic Photophosphorylation If...
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RUBISCO
RuP Carbaxylase
3 CO2
1. Carbon diaxide
is reduced
RUBP
3-phosphoglyoerate
a3C acid
6 ATP
CALVIN CYCLE
6 ADP
reverse reactions
of gycolysis
3 ADP
3. RUBP is
2. 3-Phaspho-
glycerate is
reduced to
G3P.
3 ATP
regenerated
from G3P
6 NADPH
6 NADP + 6 P,
6000@
5 G3P
G3P
1 G3P
Glucose
(six carbons)
Corporate plant growers will increase the levels of CO2 in their greenhouses in order to increase the rates of photosynthesis which
will help plants grow faster and stay healthy, Growers know that they can increase CO2 levels to a certain point before the rate of
photosynthesis stops increasing and will level off. Select the best explanation as to why the rate of photosynthesis will level offeven
when the Calvin Cycle receives an unlimited supply of CO
cells will be damaged if too much glucose is produced
CO, use by the Calvin Cycle is limited by the speed of the RUBISCO enzyme and the supply of ATP and NADPH
enzymes will be damaged by too much CO
additional CO, will cause the Calvin Cycle product to have 7 carbons instead of the desired 6-carbons
Transcribed Image Text:RUBISCO RuP Carbaxylase 3 CO2 1. Carbon diaxide is reduced RUBP 3-phosphoglyoerate a3C acid 6 ATP CALVIN CYCLE 6 ADP reverse reactions of gycolysis 3 ADP 3. RUBP is 2. 3-Phaspho- glycerate is reduced to G3P. 3 ATP regenerated from G3P 6 NADPH 6 NADP + 6 P, 6000@ 5 G3P G3P 1 G3P Glucose (six carbons) Corporate plant growers will increase the levels of CO2 in their greenhouses in order to increase the rates of photosynthesis which will help plants grow faster and stay healthy, Growers know that they can increase CO2 levels to a certain point before the rate of photosynthesis stops increasing and will level off. Select the best explanation as to why the rate of photosynthesis will level offeven when the Calvin Cycle receives an unlimited supply of CO cells will be damaged if too much glucose is produced CO, use by the Calvin Cycle is limited by the speed of the RUBISCO enzyme and the supply of ATP and NADPH enzymes will be damaged by too much CO additional CO, will cause the Calvin Cycle product to have 7 carbons instead of the desired 6-carbons
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