18. Choose the INCORRECT statement about Calvin cycle: A. is an example of a catabolic process. B. it produces GTP. C. it begins with carbon fixation. D. it regenerate RUBP E. it utilizes NADPH and ATP

18. Choose the INCORRECT statement about Calvin cycle: A. is an example of a catabolic process. B. it produces GTP. C. it begins with carbon fixation. D. it regenerate RUBP E. it utilizes NADPH and ATP

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter5: Photosynthesis

Section: Chapter Questions

Problem 11RQ: What is the molecule that leaves the Calvin cycle to be converted into glucose? a. ADP b. G3P c....

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Concept explainers

Photosynthesis

Plants have a capacity that we humans can only imagine— the ability to produce food from sunlight. Sure, we can prepare some dishes that we can savor on, but it become possible because of the plants (as they serve as a producers of all the raw materials required). Photosynthesis is the method of assembling carbohydrates with the aid of sunlight.

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18. Choose the INCORRECT statement about Calvin cycle:
A. is an example of a catabolic process.
B. it produces GTP.
C. it begins with carbon fixation.
D. it regenerate RUBP
E. it utilizes NADPH and ATP

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What is the molecule that leaves the Calvin cycle to be converted into glucose? a. ADP b. G3P c. RuBP d. 3-PGA
1. Which of the following statements is most accurate? a. The Calvin cycle is a repeating process that uses carbon dioxide, ATP, and NADPH molecules to allow the cell to produce one glucose molecule. b. Each turn of the Calvin cycle is designed to use a glucose molecule to produce RuBP, 3-PGA, 3-G3P, ATP and NADPH molecules. c. The Calvin cycle is a continuous process that utilizes rubisco molecules to produce RuBP molecules which can be directly converted to glucose molecules for long term energy storage. 2. How many glucose molecules are produced for every turn of the Calvin cycle? a. 0 b. 1 c. 2 d. 3 e. 6 f. 12
Which of the following is NOT an example of anabolism? a. the TCA cycle b. glycolosis c. the reverse TCA cycle d. amino acid biosynthesis e. the Calvin cycle
Which of the following substances does not participate in the Calvin–Benson cycle? a. ATP d. PGAL b. NADPH e. O2 c. RuBP f. CO2
28. What happens during the carbon fixation of the Calvin Cycle? Group of answer choices A. The enzyme Rubisco attaches to CO2 to RuBP causing the formation of molecules of 3-phosphoglycerate. B. Energy from ATP and electron from NADPH are used to reduce 3-phosphoglycerate to form G3P molecules (which can be used to form other organic molecules such as glucose). C. Oxygen is produced through this process. D. The remaining G3P molecules that have not exited the cycle are used to re-from RUBP through a series of chemical reactions so that the Calvin Cycle can continue.
Photo-oxidation is: A. photorespiration B. photolysis C. light and oxygen induced breakdown D. All of the above
If 30 molecules of CO2 enter the Calvin Cycle,a. How many molecules of phosphoglycerate (PGA) will be produced? b. How many molecules of glyceraldehyde phosphate (PGAL) leave the cycle? c. How many molecules of ribulose bisphosphate (RuBP) will be produced? d. How many molecules of ATP will be utilized?
The following equation (look photo) summarizes the reactants and products of A. Aeorbic respiration B. Photosynthesis
Which of the following is an incorrect statement about the Calvin cycle? A.The main inputs to the reactions are NADPH, ATP, and CO2. B.The main outputs of the reactions are NADP+ , ADP, and sugar. C.More NADPH is used than ATP during the Calvin cycle. D.Carbon fixation is the first step of the process
Which of the following statements about the Calvin-Benson cycle is TRUE? Select one: a. Blocking light causes 3PG to accumulate. b. All the statements are false. c. Rubisco catalyzes the formation of RuBP. d. ATP and NADPH + H+ are required to regenerate RuBP. e. More molecules of NADPH than ATP are required per cycle.
1. In chloroplasts, the enzyme ATP synthase couples the synthesis of ATP to: a. the diffusion of protons. b. the reduction of NADP+. c. the excitation of chlorophyll. d. the reduction of chlorophyll e. the transfer of electrons. 2. In the two-dimensional paper chromatography technique used by Calvin and Benson, a substance that ends up in the middle of the paper means that: a. it is insoluble in one of the solvents. b. it is an impure substance. c. it is too large to migrate all the way across the paper. d. it migrates roughly half way across the paper in both solvents. e. it is a relatively large and charged molecule. In chloroplasts, an electron being passed down the electron transport chain may have originated from: photosystem I. photosystem II. NADPH. both a and b. a, b, and c If we are able to follow a single electron that has just been ejected from the reactive center of photosystem II, which of the following is a feasible pathway…
Which of the following descriptions about photorespiration is not correct? Select one: a. Rubisco binds O2 instead of CO2. b. Carbon dioxide is released without producing ATP. c. It limits damaging products of light reactions that build up in the absence of the Calvin cycle at low CO2 concentrations. d. Peroxisomes and mitochondria rearrange and split the compound made by rubisco to fix CO2. e. It occurs in hot and dry conditions.