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Photosynthesis (PS) and respiration(RES) are not wholly cyclic reaction.PS is divisible in 2 parts light reaction which is non cyclic and dark reaction is cyclic

Res is divisible in 3 parts glycolysis and electron trans port chain are non cyclic while krebs cycle is cyclic

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12y ago
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11y ago

Because it is a pattern that keeps repeating it self over and over again.

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11y ago

Because for the next step in a cycle to occur, the previous step has to act on something else. For every action, there is a reaction.

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12y ago

Photosynthesis is a cycle because once the process ends, the resulting products get recycled back into the air and the process starts all over again.

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12y ago

It's because the word photosynthesis deals with the building of glucose(sugar) from water and carbon(iv)oxide in sunlight(anabolic) and respiration is catabolic(breking down of glucose)

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13y ago

because it is a pattern; airgo cycle

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Q: Why are the reactions considered to be part of a cycle?
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Related questions

What part of photosynthesis where energy from the light reactions is used to make simple sugars?

Light Independent .. ?


Why are you considered a part of food nutrient cycle?

they considered part of food nutrient cycle becausefood all living things need food


Why are rocks considered a part of a cycle?

Because rocks are formed by a cycle of events


The two major sets of reactions involved in photosynthesis are?

Light Reactions and the Calvin Cycle Reactions.


Does the light independent reactions of the Calvin cycle occur in the thylakoids?

In photosynthesis, the the electron transport chain is part of the light dependent reactions. The "light independent reactions" are the Calvin-Benson cycle and do not include an electron transport chain, but the Calvin Cycle cannot proceed without the ATP and NADPH produced during the light reactions.


Are PS I and PS II part of the Calvin cycle?

No, PS I and PS II are part of the first stage of photosynthesis, the light reactions. The Calvin cycle is the second stage of photosynthesis and does utilize the photosystems.


Which part of photosynthesis produces sugars?

The light independent cycle (or Calvin cycle) of chloroplasts.


Is interphase considered part of cell division?

No, interphase is part of the cell cycle and so is cell division. They occur at differenttimes in the cell cycle.


Why are the reactions of the Calvin cycle also called the light-independent reactions?

because the Calvin cycle does not require light


What is the cycle?

Karen's cycle or the citric acid cycle is chemical reactions produced by aerobic organisms to generate energy.Ê Carbon dioxide is the outsome of these reactions.


What cycle forms by dark reactions in photosynthesis?

The Calvin Cycle


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)