2. Describe how oxygen gas (O₂) is produced during photosynthesis. Include the specific structures in the plantwhere the reaction occurs.3. Describe the path of an electron from a molecule of water to the sugar G3P.PETITE RIDICOTTITIETOITTE TITr n dit ni tETTETELLTELI HTterlerin ut ir vertri heretinetuluACT FILETTIHIN-▬▬▬▬HIPPAILITA*RESPERANTO4. Describe how ATP is produced in the light reactions.STEREODREI****KAMHE5. Which of the following statements best explains how the energy in a photon of light is stored in a molecule ofthe sugar G3P?a. Light energy directly provides energy to RuBP and CO₂, which produce G3P in the Calvin cycle.b. Light energy directly provides energy to ATP synthase, which produces ATP during the light reactions.c. Light energy energizes electrons to make ATP and NADPH, which provide energy to produce G3P in theCalvin cycle.6. When three molecules of carbon dioxide (CO₂) react with three molecules of RuBP during the Calvin cycle, sixmolecules of the sugar G3P are produced. One G3P molecule exits the Calvin cycle during Phase 2. Whathappens to the other five G3P molecules? hhmi BloInteractivePhotosynthesisa) Label PSIand PSII.b) Draw thepath of theelectrontransportchain.Diagram 6Q SearchOCUMTable 1: Descriptions of the steps in the light reactions.What is happening with matter?StructurePSILL(JiECThe Events of the Light ReactionsFor PSII, the cytochrome complex, and PSI, draw and label what happens at that structure on Diagram 6.Then describe the events in a bulleted list in Table 1.AnimationsStudent WorksheetThylakold stromaThylakoid lumenWhat is happening with energy?40

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Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Create a model showing how photosynthesis works to turn sunlight into sugar. Be sure to label the following: Sun, chloroplast, light reactions, H2O, thylakoid, granum, O2, ATP, Calvin Cycle, H+ , CO2, stroma, sugar(glucose)
1. Given the information in the provided graphs, which of the two plants (A and B) is a C3 plant and which is a C4 plant. 2. justify the choices you made by explaining how the light response curves and results of the contrasting temperature treatments are consistent with knowledge about each CO2 fixation pathways
7. Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a molecule of glucose that is used for energy in the cells of the plant stem. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants.
6. Where do the enzymatic reactions of the Calvin cycle take place? thylakoid membranes stroma of the chloroplast outer membrane of the chloroplast thylakoid space
1.The shorter the wavelength of visible light the Group of answer choices a, more photons it contains b, less energy absorbed by photosynthetic pigments c, reener the color d, greater the energy 2. The reason we breathe in oxygen is to assist in the production of Group of answer choices a, cell structures b, ATP c, Glucose d, Nitrogen 3. Why does a plant use the CAM or C4 pathway during photosynthesis? Group of answer choices a, To bind carbon dioxide and not use the C3 pathway in photosynthesis b, To bind Carbon dioxide to use later in the C3 pathway when carbon dioxide levels are low due to closed stomata c, Plants that use C4 and CAM do not do photosynthesis d, To use in the process of cell respiration when stomata are closed
Describe the light reaction of photosynthesis. Be sure to include its location.
1) Elodea is an aquatic plant often used in aquariums. State your hypothesis as to whether you believe Elodea leaves perform photosynthesis.
For items 26 - 29 choose the letter of the best answer. No need to write the explanations.
For questions 4 – 7; fill in the blank to complete each sentence or statement. 4. The energy required is in the form of 5. The electrons that chlorophyll loses to the electron transport chain are replenished by molecules. 6. 7. in order to begin photosynthesis. In many plants, the rate of photosynthesis when the weather becomes very cold. Oxidation means the of electrons. The electrons in photosynthesis are carried by molecules of of electrons, and reduction means the
.3
Use the data to create a graph in Excel. It should be a scatter plot with a line connecting each point. Looking at the graph: a/ Which wavelengths absorbed most by spinach and likely used for photosynthesis? b/ Which wavelengths are absorbed least?
Are you hungry? could use a light snack. 86. The main pigment of photosynthesis is: a. chlorophyll a b. chlorophyll b c. carotenoids d. All of the above are correct. 87. What is not part of a photosystem: a. antenna complex b. reaction center c. chlorophyll d. ATP synthase pump 88. The light-dependent reactions take place in the: 4+ a. stroma b. cytoplasm c. thylakoid membranes d. matrix 89. In the light-dependent reactions, ATP is produced via: 90. What is the first step in the light dependent reactions? a. Light hits photosystem I. b. Electrons are transferred to b6-f complex. c. Light hits photosystem II. d. Protons are pumped across the membrane. 91. Where do the electrons and protons used in the light-dependent reactions come from: a. H₂O b. CO₂ c. RuBP d. PGAL a. oxidative phosphorylation (electron transport system). b. substrate-level phosphorylation.

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