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Refer to the figure. To identify the molecule that accepts CO2, Calvin and Benson manipulated the carbon fixation cycle by either cutting off CO2 or cutting off light from cultures of photosynthetic algae. They then measured the concentrations of various metabolites immediately following the manipulation. How would these experiments help identify the CO2 acceptor? a) The CO2 acceptor concentration would decrease when either the CO2 or light is cut off. b)The CO2 acceptor concentration would decrease when the CO2 is cut off but increase when the light is cut off. c)The CO2 acceptor concentration would stay the same regardless of the CO2 or light. d)The CO2 acceptor concentration would increase when either the CO2 or light is cut off. e)The CO2 acceptor concentration would increase when the CO2 is cut off but decrease when the light is cut off.

Refer to the figure. To identify the molecule that accepts CO2, Calvin and Benson manipulated the carbon fixation cycle by either cutting off CO2 or cutting off light from cultures of photosynthetic algae. They then measured the concentrations of various metabolites immediately following the manipulation. How would these experiments help identify the CO2 acceptor? a) The CO2 acceptor concentration would decrease when either the CO2 or light is cut off. b)The CO2 acceptor concentration would decrease when the CO2 is cut off but increase when the light is cut off. c)The CO2 acceptor concentration would stay the same regardless of the CO2 or light. d)The CO2 acceptor concentration would increase when either the CO2 or light is cut off. e)The CO2 acceptor concentration would increase when the CO2 is cut off but decrease when the light is cut off.

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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Refer to the figure. To identify the molecule that accepts CO2, Calvin and Benson manipulated the carbon fixation cycle by either cutting off CO2 or cutting off light from cultures of photosynthetic algae. They then measured the concentrations of various metabolites immediately following the manipulation. How would these experiments help identify the CO2 acceptor?

a) The CO2 acceptor concentration would decrease when either the CO2 or light is cut off.

b)The CO2 acceptor concentration would decrease when the CO2 is cut off but increase when the light is cut off.

c)The CO2 acceptor concentration would stay the same regardless of the CO2 or light.

d)The CO2 acceptor concentration would increase when either the CO2 or light is cut off.

e)The CO2 acceptor concentration would increase when the CO2 is cut off but decrease when the light is cut off.

3 ATP 3 ADP E 3 P Ribulose bisphosphate (RuBP) Phase 3: Regeneration of the CO₂ acceptor (RuBP) G3P с Input A 30 (Entering one CO₂ at a time) Rubisco Short-lived intermediate Calvin Cycle Phase 1: Carbon fixation G3P (a sugar) Output DOP 3-Phosphoglycerate 6 1,3-Bisphosphoglycerate Glyceraldehyde-3-phosphate (G3P) Glucose and other organic compounds 6 ADP B -6P, 6 NADP+ 6 NADPH ATP Phase 2: Reduction
Transcribed Image Text:3 ATP 3 ADP E 3 P Ribulose bisphosphate (RuBP) Phase 3: Regeneration of the CO₂ acceptor (RuBP) G3P с Input A 30 (Entering one CO₂ at a time) Rubisco Short-lived intermediate Calvin Cycle Phase 1: Carbon fixation G3P (a sugar) Output DOP 3-Phosphoglycerate 6 1,3-Bisphosphoglycerate Glyceraldehyde-3-phosphate (G3P) Glucose and other organic compounds 6 ADP B -6P, 6 NADP+ 6 NADPH ATP Phase 2: Reduction
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