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?
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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?
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- Which of the following substances does not participate in the Calvin-Benson cycle? a. ATP c. NADPH e. PGAL b. O2 d. RuBP f. CO2The end product(s) of the light independent reactions (Calvin cycle) of photosynthesis is glyceraldehyde-3-phosphate. Where (if any) can this product enter into catabolic metabolism to make ATP for the cell? Select one: a. the Kreb’s cycle since the end product is pyruvate b. the energy investment stage (step 1) of glycolysis c. the energy payoff stage of glycolysis d. oxidative phosphorylation since the end product(s) are ATP and NADHDuring cellular respiration, 60 molecules of CO2 were given off as waste. a. How many pyruvate molecules were produced in glycolysis? b. The total amount of ATP produced by complete cellular respiration would be? c. The amount of energy available (Net ATP) to cell as ATP would be?
- A culture of the single celled organism Chlamydomonas is actively carrying out photosynthesis in the presence of light and CO2. If you turned off the light, how would you expect the amounts of ribulose 1,5-bisphosphate and 3-phosphoglycerate to change over the next minute? How about if you left the light on and removed the CO2? Please answer these questions with specific references to the Calvin cycle.a) Draw the carboxylation reaction mechanism catalyzed by Rubisco. Include the substrates, products, key amino acid residues in the active site, and important metal ions. b) Describe each step in the Rubisco carboxylation reaction and why the carbamylated lysine is critical for enzyme activity. c. Describe the purpose of the "regeneration stage" of the Calvin-Benson cycle.The ultimate source of energy in our planet is sunlight. In the first stage of photosynthesis, light energy is captured in chlorophyll-containing reaction centers (PSII and PSI). What is the first step in the capture of light energy at PSII? a. The energy carriers ATP and NADPH + H+ are synthesized. b. CO2 reacts with the C5 sugar ribulose-1,5-bis-phosphate in the first step of the Calvin cycle. c. Starch is synthesized. d. H2O is photolyzed and its electrons are captured by special chlorophyll molecules. e. Sucrose is synthesized from glucose and fructose.
- A. The C4 plant performs photosynthesis more efficiently than the C3 when the CO2 concentration is 600ppm or less. Provide one reason why the rate of photosynthesis doesn’t change for the C4 plant when the CO2 concentration increases above 400 ppm. B. Discuss what is happening in the C3 plant when the CO2 levels are below 50 ppm. Provide one reason why this does NOT happen to the C4 plant.What is the chemical formula for photosynthesis? Discuss why (1) Sunlight and water are required for photosynthesis, and (2) Which molecule is reduced, and which is oxidized. Describe in detail the structure and function of the electron transport chain. Discuss how the light-dependent reactions and the Calvin cycle act synergistically to produce food for plants.A. Explain the role of ATP in life process. B. Complete the following table by comparing and contrasting the light-dependent and light-independent reactions of photosynthesis. You may use the link below for reference. https://youtu.be/KfvYQgT2M-k Light- independent reactions Point of Light-dependent reactions Comparison 1. Raw materials 2. Part of the chloroplasts where they occur 3. Light requirements 4. Products 15. Ву-products
- Which chemical equation represents the breakdown of organic carbon (into inorganic form) thattakes place during glycolysis, the Krebs cycle, and electron transport (aerobic respiration)? A. C6H12O6 + C6H12O6 C12H22O11 + H2OB. 6CO2 + 12H2O C6H12O6 + 6O2 + 6H2OC. C12H22O11 + H2O C6H12O6 + C6H12O6D. C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2OE. all of the aboveImagine that ferredoxin is no longer able to participate in cyclic electron flow but is otherwise unaffected. What is the logical result? Select all statements that are true below. O a. Water would be oxidized O b. The Calvin cycle would stop U c. NADPH would no longer be made O d. ATP would no longer be made U e. The light reactions would stopAt the very end of cellular respiration (glycolysis followed by pyruvate oxidation, the citric acid cycle, and electron transport/ATP synthesis), a. In what molecules are all of the carbons from the glucose? b. In what molecules are many of the electrons from the glucose? c. In what molecules is much of the free energy that was harvested from the glucose?
