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The Calvin cycle is called the dark cycle because it does not require light to proceed. Unlike light reactions, the Calvin cycle is a light-independent reaction, which means it can and will occur in the dark as well as the light.

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13y ago
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11y ago

Even though light is not needed for the Calvin Cycle, it requires sufficient levels of ATP and NADPH (which are produced from the Light Dependent Reaction). As it is night time, the Light Dependent Reaction will not be 'working' to produce the necessary ATP and NADPH. Therefore, as it is dark, the Light Dependent Reaction will have not produced enough ATP and NADPH to keep the Calvin Cycle going through the night.

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10y ago

it doesn't require light. Thats's why it is also identified as light independent reaction

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Q: Why is possible for Calvin cycle to occur in the dark?
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Related questions

Which process of photosynthesis can occur even when theres no light?

That is the Dark cycle. Also called Calvin cycle


Which process of photosynthesis can occur at night?

No, not unless the plant is exposed to light.


What is another name for the for the dark reaction?

the calvin cycle


Does the Calvin cycle occur only in the dark?

It cannot occur in the dark. It contains an enzyme called rubisco which is a light-activated enzyme. Also the Calvin cycle uses the chemical energy produced in the light reactions, and the light reactions need sunlight energy in order to produce the energy needed in the Calvin cycle. Hope that helps :)


Does the Calvin cycle only occur in the dark?

It cannot occur in the dark. It contains an enzyme called rubisco which is a light-activated enzyme. Also the Calvin cycle uses the chemical energy produced in the light reactions, and the light reactions need sunlight energy in order to produce the energy needed in the Calvin cycle. Hope that helps :)


What cycle is also called the dark reaction in photosynthesis?

The Calvin cycle, or carbon fixation, occurs during the dark reactions of photosynthesis.


What are the dark reactions of photosynethesis also known as?

It is known as the Calvin cycle or light independent cycle


The Calvin Cycle is known as what?

The Calvin Cycle is also known as the dark phase of photosynthesis.


Which part of the chloroplast does the calvin cycle occur in?

The Calvin cycle is part of the light-independent (or "dark") reactions, which take place in the stroma of the chloromoses


What is another name for the dark reactions of photosynthesis?

Calvin cycle or light independent reaction


Where do 'dark reactions' take place?

The dark reaction (Calvin Cycle) takes place in the chloroplast. More specifically, the stroma.


What cycle forms by dark reactions in photosynthesis?

The Calvin Cycle