2. At the end of the light reaction phase, NADPH is reduced to form NADP+, which is a major component of producing what molecule? a. b. C. d. H₂O CO₂ glucose ATP
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- a. Porphyrin ring needs for b. iron-sulfur protein that transfers electrons to NADP c. herbicides kill weeds by blocking 1.dark reaction 2.PSII 3.ferredoxin d. Rubisco belongs to 4.Light reaction iron-sulfur protein that transfers electrons to NADP herbicides kill weeds by blocking Porphyrin ring Rubisco1. Which of the following does NOT happen during the light-dependent reactions of photosynthesis?A. ATP is producedB. Oxygen is producedC. NADPH is producedD. Glucose is produced 2. The overall source of energy for photosynthesis is:A. energy released when water is split, and oxygen is producedB. energy from NADPHC. light energy from the sun D. energy from ATP 3. John Dela Cruz grew algae in the presence of a poison that stops the lightindependent reactions of photosynthesis. As a result, which molecules will the light-dependent reactions stop producing?A. ADP and NADP+B. ADP and NADPHC. ATP and NADP+D. ATP and NADPHIn the linear light reaction... Select one: a.Electrons exiting PSII leave the system when NADP+ reductase adds them to NADP+ b.Electrons exiting PSI leave the system when NADP+ reductase adds them to NADP+ c.Electrons exiting PSI travel down the ETC
- 2. The graph shows the effect of increasing light intensity on the rate of photosynthesis. В A sdi amount of light a. Which factor is controlling the rate of photosynthesis at A? Explain your answer. b. Which factor is controlling the rate of photosynthesis at B? Explain your answer. c. What is the name given to the factors that control the rate of photosynthesis? 64 CHAPTER 12 PHOTOSYNTHESIS rate of photosynthesis19. Which of the following is not an electron carrier in chloroplast electron transport chain? A. Pc B. FAD С. Ра D. Fd E. Cytochrome complexA. Highlight all the organisms that CAN do photosynthesis (you might need to google search what these are) Venus fly trap Mycorrhizal fungus Cyanobacteria Red algae Sponges Corn (Zea mays) B. Summarize the purpose of photosynthesis______ C. How could you tell or measure the rate of photosynthesis? ____ D. What is a redox reaction? ___ E. When the water molecule donates its electron to the chlorophyll molecule the water molecule was ______ while the chlorophyll was ______. F. When the carbon chain gains electrons from NADPH the carbon chain has been _____. G. Discuss how the chloroplast structure is arranged using the following terms (include picture too) chloroplast, thylakoid, stroma, chlorophyll, H. Light reaction and Calvin cycle: what is the overall purpose of each one?
- The picture below shows a preparation of isolated thylakoid membranes suspended in a buffer at pH 7. The preparation is in complete darkness. Which of the following is required for the thylakoids to generate ATP? A. Isolated thylakoid membranes cannot synthesize ATP. B. Incubation in the light plus ADP, Pi and NADP+ C. Incubation in the light plus ADP and Pi. D. Addition of ADP and Pi to the buffer.Which is NOT produced during the light-dependent reactions A. ATP B. Oxygen C. NADPH D. Sugar1. 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
- 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…6. Complex I and Complex II produce a common product which is: Choose one (5 points) a. NAD+ b. FAD. c. reduced coenzyme Q. d. reduced cyt c. e. reduced 02. a. NAD+ b. FAD C. reduced coenzyme Q (CoQH2 or UqH2) d. reduced cytC e. reduced 021. What is the overall purpose of photosynthesis? 2. Write the overall equation for photosynthesis. a. Light Photosynthesis Discussion Questions 3. Fill in the information for the following figure: Chloroplast Using arrows, show what is being oxidized and what is being reduced in the overall equation. th Cupright 2008 Pearson Education, ine, publishing as Pea Light Reactions B Benjamin Cummings ♫ E ADP P Ev G C Calvin Cycle D ... tvill In