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- 2. If energy is never destroyed, why do we "run out of energy" at the end of a race? (3pts) 3. Give the different factors that can affect the rate of photosynthesis. (3pts) 4. How does different light intensities affect the rate of photosynthesis? (2pts) 5. Why do you think is the coupling process important in the different processes of the cell? (3pts)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 glucose1.Which of the following best describes how light energy is "captured" during the process of photosynthesis? a. The correct photon of light "excites" an electron in a chlorophyll molecule. b. Light heats up the stroma in the center of the chloroplast which causes enzymes to convert CO2 into glucose. c. Photons of light cause H+ to move through the thylakoid membrane, creating a hydrogen ion gradient. 2. What best explains what happens to the electrons that are excited out of chlorophyll molecules during the process of photosynthesis? a.They are pumped across the thylakoid membrane in the ETC of photosynthesis. b. They cause electrons in NADPH to get "excited" and form new bonds in ATP. c. They are captured and move through an ETC, creating ATP and ultimately being captured by NADPH. d. They fall back into the chlorophyll molecule, emitting ATP as they fall.
- 1. What two types of cells contain chloroplasts? 2. Autotrophs make their own food using energy from 3. The food making process is called 4. What are the raw materials for photosynthesis? 5. What simple sugar is produced? 6. What gas is used in the process? What gas is released? 7. Where are most photosynthetic cells in plants found? 8. What compound can be made from glucose and serves as long term energy storage? 9. Compare the raw materials of photosynthesis to the products of respiration. 10. How are these two processes (photosynthesis and respiration) related?1. Look at the molecular formula for plant tissue. Where does the carbon come from? 2. Where does the hydrogen in C6H12O6 come from? 3. When radioactive isotopes of oxygen atoms are put into CO2 molecules and the plant is allowed to photosynthesize, only new plant tissue (C6H12O6) is radioactive and the oxygen gas given off is not radioactive. Draw a dotted line in the photosynthesis equation to show where the oxygen atoms in CO2 go. 4. Draw a dotted line in the equation to show where the oxygen atoms in H20 go.1. Define energy and state where living things get the energy they need. 2. What is an autotroph? Give an example. 3. How does photosynthesis change energy? 4. How do heterotrophs obtain food? 5. What are the stages of photosynthesis? Which stage occurs first? 6. Describe the chloroplast and its role in photosynthesis. 7. Summarize what happens during the light reactions of photosynthesis.
- 1: Photosynthesis 1. What are the main inputs (reactants) required for overall photosynthesis? Where are they used in the individual process? 2. Why do plants require light to perform photosynthesis? What is the mechanism plans have to utilize light energy in photosynthesis? 3. Which types of plants use the C4 cycle? Which types of plants utilize the Calvin Cycle? 4. Evolution led to the formation of Rubisco that is used by C3 plants to fix CO2. Why do you think that it led to an enzyme that also binds to 02 (which causes photorespiration that isn't beneficial to the plant)? 5. Explain what is meant by the statement: "C4 plants separate C3 and C4 processes in space and CAM plants separate C3 and C4 processes in time." 404 words MacBook Pro10. Observe the graph on the right. If you had a hypothetical plant that only had a hypothetical photopigment with an absorption maximum at 585, which color light would produce the highest rate of photosynthesis? ltra Violet Blue 456-492 nm Green 492677 nm Yellow Orange 597-620 nm Red intra vielet red 400-455 nm 677-697 nm 620-700 nm nm 400 500 600 700 short wtength Ieng vetength high fmuency lawhumcy1. Jiro is performing an experiment on photosynthesis using Hydrilla plants. He wants to know which light spectrum would facilitate faster photosynthetic rate. He asked Elea and Nina to help him plan and set-up the experiment. Elea plans to test four light spectra by using four different colored light bulbs accordingly. Nina said they need two controls, one without light source and one under natural light for comparison. They will be using Bromothymol Blue, a color changing carbonic acid indicator as a substrate for the Hydrilla. This indicator, which is originally blue in color, changes to yellow when infused with carbon dioxide and forming carbonic acid. The assumption is that when the Hydrilla plant submerged in the indicator starts to photosynthesize, it will slowly turn the yellow color (previously infused with carbonic acid through blowing carbon dioxide into the solution) back to blue as plants use carbon dioxide during the process. They will check which of the setups will…
- 18. What is the primary function of the light reactions of photosynthesis? Group of answer choices to produce ATP and NADPH to convert light energy to the chemical energy of PGAL to produce energy-rich glucose from carbon dioxide and water to use ATP to make glucose21 . What is the overall outcome of the light reactions in photosynthesis? 22 . Why are carnivores, such as lions, dependent on photosynthesis to survive? 23 . Why are energy carriers thought of as either “full” or “empty”? 24 . Describe how the grey wolf population would be impacted by a volcanic eruption that spewed a dense ash cloud that blocked sunlight in a section of Yellowstone National Park. 25 . How does the closing of the stomata limit photosynthesis? 26 . Describe the pathway of electron transfer from photosystem II to photosystem I in light-dependent reactions. 27 . What are the roles of ATP and NADPH in photosynthesis? 29 . Why is the third stage of the Calvin cycle called the regeneration stage? 32 . Imagine a sealed terrarium containing a plant and a beetle. How does each organism provide resources for the other? Could each organism survive if it was the only living thing in the terrarium? Why or why not?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