otosynthesis and Respiration are opposing processes. One is required to produce d, the other to derive energy from food. Each of these processes involves a cycle to mplete its goal. For Photosynthesis it is the Calvin Cycle; for Respiration it is the ebs Cycle. Listed below are features of both cycles. Indicate which 5 of them are ociated with the Calvin Cycle. Creates glucose ATP and CO2 are used ATP and CO2 are produced A catabolic process An anabolic process. Oxidizes glucose Occurs in mitochondria Occurs in chloroplasts Occurs only in green organisms Occurs in all organisms

otosynthesis and Respiration are opposing processes. One is required to produce d, the other to derive energy from food. Each of these processes involves a cycle to mplete its goal. For Photosynthesis it is the Calvin Cycle; for Respiration it is the ebs Cycle. Listed below are features of both cycles. Indicate which 5 of them are ociated with the Calvin Cycle. Creates glucose ATP and CO2 are used ATP and CO2 are produced A catabolic process An anabolic process. Oxidizes glucose Occurs in mitochondria Occurs in chloroplasts Occurs only in green organisms Occurs in all organisms

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter8: Photosynthesis

Section: Chapter Questions

Problem 3VCQ: Figure 8.18 Which of the following statements is true? In photosynthesis, oxygen, carbon dioxide,...

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Match each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2 fixation b. converts light to chemical energy ____ autotroph c. self-feeder ____ ATP forms NADPH does not d. electrons cycle back to photosystem ____ photorespiration e. problem in C3 plants ____ photosynthesis f. Calvin-Benson cycle product ____ pigment g. water molecules split ____ photolysis in photosynthesis h. rubisco function
What is the molecule that leaves the Calvin cycle to be converted into glucose? a. ADP b. G3P c. RuBP d. 3-PGA
The Overall Free Energy Change for Photosynthetic NADP+ Reduction What is the overall free energy change (G) for noncyclic photosynthetic electron transport? 4 (700-nm photons) + 4 (680-nm photons) + 2 H2O + 2 NADP+O2 + 2 NADPH + 2H+
Photosynthesis directly opposes respiration in determining how plants influence atmospheric CO2 concentrations. When a leaf is in the light, both photosynthesis and respiration are occurring simultaneously. The data in the Table were collected from the leaf of a sagebrush plant that was enclosed in a chamber that measures the rate of CO2 exchange. The same leaf was used to collect the data in Interpret the Data in Chapter 7. Respiration is shown as a negative and photosynthesis as a positive rate of CO2 exchange. The net photosynthesis rate is the amount of CO2 (in micromoles per square meter per second) assimilated by the leaf while respiration is occurring; a positive value indicates more photosynthesis is occurring than respiration. The light exposed to the leaf is quantified as the number of photons in the 400 to 700 nm wavelength, the photosynthetic photon flux density (PPFD); 2,000 mol/m2/s is equivalent to the amount of light occurring at midday in full Sun. Observation Photosynthetic Photon Flux Density (PPFD) (mol/m2/s) Net Photosynthesis (mol/m2/s) 1 2,000 9.1 2 1,500 8.4 3 1,250 8.2 4 1,000 7.4 5 750 6.3 6 500 4.8 7 250 2.2 8 0 -2.0 Why is net photosynthesis negative when PPFD is zero? Looking at the respiration data from Interpret the Data in Chapter 7, at what temperature do you think these data were collected? Source: Data based on unpublished research by Brent Ewers, University of Wyoming.
Which part of the Calvin cycle would be affected if a cell could not produce the enzyme RuBIsCO?
Figure 8.18 Which of the following statements is true? In photosynthesis, oxygen, carbon dioxide, ATP, and NADPH are reactants. G3P and water are products. In photosynthesis, chlorophyll, water, and carbon dioxide are reactants. G3P and oxygen are products. In photosynthesis, water, carbon dioxide, ATP, and NADPH are reactants. RuBP and oxygen are products. In photosynthesis, water and carbon dioxide are reactants. G3P and oxygen are products.
Carbon, in the form of CO2, must be taken from the atmosphere and attached to an existingorganic molecule in the Calvin cycle. Therefore, the carbon is bound to the molecule. Theproducts of the cycle only occur because of the added carbon. What are the products of theCalvin cycle and what is regenerated? Based on your understanding of the process ofphotosynthesis, predict what will happen to a plant leaf that loses CO2 too quickly.
The chloroplast Light Reaction starts with the splitting of molecular oxygen and protons; the electrons that are generated flow through and and end up in the chloroplast Dark Reaction providing energy for the Calvin Cycle to fix the gas solid into into
chemicals called uncoouplers can make membranes permeable to small molecules and ions. What effect might uncouplers have on photosyntehesis? increased ATP becuase cyclic electron transport woulnd increase Decrease Atp producctuion because proton gradient woudl increase decreased AtP production because proton gradient would decrease Decreased NADPH production becuause proton gradient would increase Decreased NADPH production because proton gradient would decrease
Products of the Calvin cycle include: Hide answer choices ADP, Pi, NADP+ ADP, Pi, NADPH NADPH, Pi, G3P ATP, Pi, G3P
In what form or forms is chemical energy added to intermediates in the Calvin Cycle? ATP and NADPH only NADPH calories from glucose only ATP
Which of the following are products of the Calvin cycle that are then used as reactants in the light reactions? CO2 Sugar NADP+ O2 ATP NADPH ADP .