escribe non-cyclic electron flow in the light reactions of photosynthesis (be sure to include which photosystems are involved and what end products are made in the reactions).
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3. Describe non-cyclic electron flow in the light reactions of photosynthesis (be sure to include which photosystems are involved and what end products are made in the reactions).
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- Describe the flow of electrons through photosystems I and II in the noncyclic electron transport pathway and the products produced. Contrast this flow with cyclic electron transport.45. Which of the following statements about the light reactions of photosynthesis is NOT true? Group of answer choices a. The splitting of water molecules provides a source of electrons. b. Chlorophyll and other pigments absorb light energy, which excites electrons. c. ATP is generated by photophosphorylation. d. Electrons from water are given to the chlorophyll molecules of Photosystem I.LE MEADE PRENELDE EDE 3. On Diagram 1, fill in the labels with photosynthesis's main inputs and outputs of matter and energy. Diagram 1 W aumianemas Photosynthesis
- 1. Where do the protons used in the light reactions come from? 2. What is the significance of light reaction? 3. What are the products of light reactions that are used in the Calvin cycle? 4. What are the roles of ATP and NADPH in photosynthesis?7.Draw the action spectrum of photosynthesis and the absorption spectrum of chlorophyll on the axes below: % use of absorbed light 100 1 50 25 chloro chlorophyll phyll a 400 baction spectrum 500 absorption spectrum 600 wavelength of light (nm) 700 800 100 5 50 25 % absorption of light 8.Make a note on the above diagram (Q=7) to explain why most leaves look green.14. Which of the following reactions release oxygen as a by-product of light reactions? Group of answer choices chemiosmosis electron transfer system of photosystem splitting the water molecules reducing NADP+
- 24. What are the products or output of the light reactions in photosynthesis? Group of answer choices a.glucose b.oxygen, electron carriers, and glucose c.oxygen and electron carriers d.electron carriers only e.oxygen only40. After light excites electrons and they leave Photosystem II to travel down the electron transport chain. How are these electrons replaced in Photosystem II? Group of answer choices a. Oxygen is reduced and the electrons are given to the chlorophyll molecules of photosystem II. b. Carbon Dioxide is split, and the electrons are given to the chlorophyll molecules of photosystem II. c. Water is split, and the electrons are given to the chlorophyll molecules of Photosystem II. d. Hydrogen undergoes fusion and the electrons are given to the chlorophyll molecules of photosystem II1.) In photosystem II of the photosynthesis light reaction, water is broken. What three products are released from the broken water and where does each product end up?
- 1. During the light dependent reaction, the molecules within the membrane absorb light energy 2. high energy compounds light dependent portion of photosynthesis 3. an electron which is released by a process called and are produced in the in the thylakoid enters where it is energized and used to convert energy. 4. protons travel through located in the thylakoid membrane in a high energy compound. a process known as 5. The three stages of the light independent reaction are to produce and 6. The most abundant protein on earth is 7. You would need molecules of RuBp in order to create 1 molecule of glucose46. An organism that cannot produce its own food is called a photoautotroph. a true b false 47. The one thing that all photosynthetic organisms have in common is chloroplasts. a true b false 48. The organelle that is unique to eukaryotic photoautotrophs is the chromoplast. a true false 49. An electron that has gained energy from light may transfer that energy to a neighbouring electron, and then return to its ground state. a true b false 50. The structure that connects stacks of thylakoids is the grana. a true false 51. Light is a form of energy that travels in wave packets called protons. a true b false4. Below each item, identify WHAT it is, indicate WHERE in the chloroplast it is used/made, identify WHICH STEP of photosynthesis it is used/made in, indicate WHY it is used/made in photosynthesis. Then draw an arrow to indicate where electrons are donated from and end up. 6CO2 6H₂0 ENERGY C6H12O6 WHAT WHERE STEP WHY + + + 60₂ E E
