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Dear friend, in Calvin cycle only two kinds of trioses (3C sugars) are formed. In fact, these are not sugars but phospoesters. One is phospoglyceraldehyde and second is dihydroxyacetone phosphate. These are isomers of each other.
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∙ 12y ago
Wiki User
∙ 9y agoThe sugar that results form three turns of the Calvin cycle is glyceraldehyde 3 phosphate. The consequences of this is the formation of starch in plants which involves assembling many G3P molecules with or without further rearrangements.
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∙ 10y agoWater, ATP and NADPH all go into the Calvin cycle.
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∙ 14y agoRuBP
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What does the Calvin cycle produce?
well there are many products of the Calvin cycle. 12 ADP, 12 NADP+, and 2 GP3 (which then go to form the glucose molecule) are all formed
How does the purpose of the Krebs cycle differ from the purpose of the Calvin cylce?
The Krebs Cycle's purpose is to produce ATP that cells can use, occurs in animal cells. The Calvin Cycle is in chloroplasts and is used to produce glucose for cells. *
Where do the products of the Calvin cycle go?
The products of the Calvin cycle, such as glucose, can be used by the plant for energy production, stored as starch for later use, or transported to other parts of the plant for growth and development. Ultimately, these products support the plant's metabolism and serve as building blocks for its structure.
What are the steps in Calvin cycle?
1. Carbon FixationStep 1: 3 CO2 comes in and an enzyme called rubisco hopefully (when I say hopefully, I mean that because it might catalyze oxygen instead of carbon, which is bad) catalyzes carbon.Step 2: The carbon is turned into RuBP (a 6 carbon), which is unstable, so it instantly turns into two of 3-PG (a 3 carbon). There are 6 of these.2. ReductionStep 3: The 3-PG get a phosphate each from ATP, which then turns into ADP. The 3-PG now become 3-biphosphoglycerate. There are 6 of these.Step 4: The 3-biphosphoglycerate each get an hydrogen ion (H+) from NADPH, which then turns into NADP+.Step 5: The molecule then and there loose a phosphate group, which goes back to restoring the ADP into ATP. The resulting molecule is called G3P, which is final goal for the Calvin Cycle. There are 6 G3P molecules.3. RegenerationStep 6: As I mentioned earlier, G3P is the main goal of the Calvin cycle, so only one out of the 6 are used for as organic compounds, whereas the rest go back in the cycle.Step 7: The 5 G3P molecules that go back to the cycle are rearranged to become the molecule RuBP (ribulose biphosphate) and go back to step 2.
What is a fundamental difference between the water cycle and other nutrient cycles?
Water cycle is the cycle that H2O molecules go through. The nitrogen cycle is the cycle that nitrogen goes through as it changes from nitrate to nitrite to ammonia, all by bacterias in the soil.
What is a product in the Calvin cycle?
The products of the Calvin cycle are the three carbon sugar phosphate molecules or the triose phosphates (G3P). The products formed after a single turn of the Calvin cycle are 3 ADP, 2 glyceraldehyde-3-phosphate (G3P) molecules, and 2 NADP+.
What is the Calvin cycle?
The Calvin cycle is the dark reaction in plants, that results in formation of the glucose molecule. The Calvin Cycle synthesizes G3P Basically, Photosynthesis is divided up into the Light reactions and the Calvin Cycle. The "photo" part is the light reaction part, and the "synthesis" is the Calvin Cycle. The Calvin Cycle's whole existence is to produce sugar. It does this with incorporating CO2 to eventually produce G3P, a sugar that can go on to make glucose etc... The Calvin cycle is powered by NADPH and ATP, which come from the light reactions. Of course this is a simplified version, as there are a number of intermediate molecules, but the idea is the same.For more info I would recommend reading Campbell and Reece (6th ed, 2005)
Why is ATP important in photosynthesis?
ATP is important in photosynthesis because it provides the energy necessary to drive the chemical reactions that convert carbon dioxide and water into glucose. Without ATP, the process of photosynthesis would not be able to occur efficiently.
How do photosystem 1 and 2 allow the calvin cycle to work?
No. Photosystems I and II are where light-dependent reactions occur, while the Calvin Cycle is where light-independent reactions occur. Photosynthesis begins with Photosystem II, then Photosystem I, then the products from there go to the Calvin Cycle. (yes photosystem II comes before photosystem I)
What does the Calvin cycle produce?
well there are many products of the Calvin cycle. 12 ADP, 12 NADP+, and 2 GP3 (which then go to form the glucose molecule) are all formed
What is the role of ATP in synthesis?
ATP is used in the Calvin cycle in it's phosphorylation role; transferring phosphate groups to Calvin cycle intermediates that then go through the conformational rearrangements which result in the sugar product, glyceraldehyde-3-phosphate that leaves the cycle and the reconstitution of oxaloacete, beginning the cycle again.
How does the purpose of the Krebs cycle differ from the purpose of the Calvin cylce?
The Krebs Cycle's purpose is to produce ATP that cells can use, occurs in animal cells. The Calvin Cycle is in chloroplasts and is used to produce glucose for cells. *
What are PGAL and RuBP?
PGAL (phosphoglyceraldehyde) is a 3-carbon sugar molecule produced during the Calvin cycle of photosynthesis. RuBP (ribulose-1,5-bisphosphate) is a 5-carbon sugar molecule that combines with carbon dioxide in the Calvin cycle to initiate the process of carbon fixation. Both molecules are essential in the conversion of carbon dioxide into organic compounds during photosynthesis.
Which of these remains the same while water molecules go through the water cycle?
The chemical composition of water remains the same as it goes through the water cycle. Hydrogen and oxygen atoms in water molecules simply change states between liquid, gas (vapor), and solid (ice) during the water cycle, but the chemical structure of the water molecule remains constant.
Describe the steps of the Calvin Cycle?
1. 6 carbon dioxide molecules combine with six 5-carbon molecules forming twelve 3-carbon molecules. 2. The 12 3-carbon molecules are converted into high-energy forms. 3. 2 of the 12 3-carbon molecules are removed and the plant uses them to produce sugars, lipids, amino acids, and other compounds. 4. The 10 3-carbon molecules change back into six 5-carbon molecules, which combine with 6 more carbon dioxide molecules. The process starts over.
Where do the products of the Calvin cycle go?
The products of the Calvin cycle, such as glucose, can be used by the plant for energy production, stored as starch for later use, or transported to other parts of the plant for growth and development. Ultimately, these products support the plant's metabolism and serve as building blocks for its structure.
What is the function of G3P in photosynthesis?
In the Calvin Cycle [CC], carbon dioxide combines with RuBP which creates PGA. From the light dependent reactions in photosynthesis which occurs in the thylakoid, ATP and NADPH are produced. Those two products combine with the PGA to from PGAL. one of the 6 molcules of PGAL combine with a phosphate is used by the plants to create sugars, starch, etc. PGAL rearranges with 5-carbon phosphate and another phosphate is given to PGAL from the ATP light-dependent reaction product producing RuBP again. This restarts the cycle starting with carbon dioxide combining with the RuBP.
