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The bi product of the light reaction triggers the dark reaction.

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12y ago

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Why light reaction first before dark reaction?

There must be a light reaction first before dark reaction. This is so that there is something to be compared.


Why is light reaction of photosynthesis essential for the dark reaction to proceed?

why light reaction of photosynthesis is essential before the dark reaction can procced?


Which part of photosynthesis can occur even when there is no light?

That is the dark reaction. It needs no light


Why can the dark reaction occur in day light hours?

The dark reaction, also known as the Calvin cycle, can occur during daylight hours because it does not directly require light energy to proceed. It uses the ATP and NADPH generated during the light-dependent reactions to fix carbon dioxide and produce sugars. So even though it doesn't rely on light for its energy source, it still benefits from the products of the light-dependent reactions that happen during the day.


Do the dark reactions occur in the thylakoids?

A dark reaction is done in the Calvin Cycle. Light is not needed at the time of the dark reaction but it also doesn't hinder the reaction if there is light at the time.So in short. Yes.


Why is the Dark Reaction sometimes called Light Independent Reaction?

Because the dark reactions are CO2 assimilation's and do not need light energy. They use the ATP and NADPH created from the light reactions to convert CO2 to carbohydrates, so this can happen in the "dark" as long as the light reactions already happened.


What type of chemical reaction is photosynthesis?

The two reactions which occur during photosynthesis are light reaction and dark reaction. Light reaction takes place only in the presence of light. Dark reaction can occur with or without light.


How are light reactions and dark reactions different and similar?

Differences: >light reactions occur in the thykaloid membranes, but dark occur in stroma >light reactions are light dependent, or they need light to take place, whereas dark reactions don't > dark reactions use the products of the light reactions >light reactions are the first step of photosynthesis and dark reactions are the second step Similarities: >both in photosynthesis Thats really the only similarity!!! hope this helps :)


True or false The light reactions of photosynthesis can occur only under light conditions and the dark reactions can occur only during the dark hours?

False. The light reactions of photosynthesis require light to convert solar energy into chemical energy, while the dark reactions (Calvin cycle) do not directly rely on light and can occur in both light and dark conditions. However, the dark reactions are indirectly dependent on the products of the light reactions.


What two types of reactions occur during photosynthesis?

The two reactions which occur during photosynthesis are light reaction and dark reaction. Light reaction takes place only in the presence of light. Dark reaction can occur with or without light.


Which reaction makes ADP light or dark?

It is the light reaction. Then they moves to dark reaction


Why is possible for Calvin cycle to occur in the dark?

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.