Is the Calvin Cycle only present in phototrophic organisms? Why or why not?
Is the Calvin Cycle only present in phototrophic organisms? Why or why not?
Homework Answers
Calvin cycle is a carbon fixation process which uses atmospheric carbon dioxide to synthesise sugar. It takes place in the stroma of chloroplast of plants. It does not require the presence of light. So can occur even in dark and in daylight as well.
But Calvin cycle is dependent upon the product of light reaction. Light reaction lead to the formation of ATP and NADPH by using solar energy. Photosystem 2 present in the thylakoid membrane absorbs solar energy and shows electron excitation. This excited electron if then passed on to the other complexes and ultimately to oo photosystem 1 and NADP+ which gets reduced to form NADPH.
If light would not have been there, then light reactions will not take place and there will be no formation of high energy molecules like ATP and NADPH. Without these molecules, Calvin cycle will not occur.
We can conclude that Calvin cycle is present only in phototrophic organisms because it requires product from light reaction.
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Is the Calvin Cycle only present in phototrophic organisms? Why
or why not?
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Check please
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Check please
Which of the following best explains why the Calvin Cycle can take place during the day? O a. the Calvin cycle relies on the products of the light reactions, not the presence or absence of light itself. D.the Calvin cycle does not directly require dark to function. O c. the Calvin cycle is not directly connected to the light reactions or the presence or absence of light. O d.the Calvin cycle is part of the electron transport chain...
Light independent reactions/
calvin cycle
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Nelson 46. The final product of the Calvin cycle is A) Ribulose Bisphosphate B) PGA C) АТР D)Glyceraldehyde-3-phosphate 47. Water vapor exits and Co, enters a leaf through the A) stomata B) grana C) porphyrin rings D) photons E) stroma 48. In a plant leaf, the reactions that produce NADPH occur in A) the light reactions alone. B) the Calvin cycle alone. C) both the light reactions and the Calvin cycle. D) neither the light reactions nor the Calvin cycle....
answers only please !
6. Dan the Beagle has read about the Calvin Cycle and puts his lobelid seedlings in hotel room for the duration of his 5-day vacation in a temperate predict that the weight of the seedlings would A) increase forest biome. You would correctly B) decrease C) stay the same for photosynthess 7. You inform Dan that light is important for photossnthesis in plants because without light, plants a) starve. b) do not produce ATP. c) do...
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