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splitting of water molecules

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Brenden Bosco

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16y ago

Ultimately the energy for photosynthesis comes from light. The light dependent stage converts light anargy into chemical potential energy in the form of ATP. This is then used to drive the inght independent reactions. For more information search this site for light independent reaction.

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Carbon is from carbon dioxide CO2 and hydrogen comes from water H2O in the light-independent Calvin cycle

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splitting of water molecules

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Q: Where does the energy for the light independent reactions of photosynthesis come from?
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What substance from the light-dependent reactions is a source of energy for the light-independent reactions of photosynthesis?

They are ATP and NADH. They are energy carrying molecules.


What are the stage in the process of photosynthesis?

Photosynthesis is performed in two stages:Light reactions (or light-dependent reactions): Energy from sunlight is required.Dark reactions (or light-independent reactions): No sunlight is required. However, energy formed by the light-dependent reactions is needed.


What are two stages in the process of of photosynthesis?

Photosynthesis is performed in two stages:Light reactions (or light-dependent reactions): Energy from sunlight is required.Dark reactions (or light-independent reactions): No sunlight is required. However, energy formed by the light-dependent reactions is needed.


The initial reactions in photosynthesis are know as the?

The initial reactions in photosynthesis are the light dependent reactions and the light independent reactions


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

Light Independent .. ?


What kind of energy does photosynthesis start and end with?

Photosynthesis starts with the Light-Dependent reactions, which begins with radiant/light energy. By the time it has finished the Light-Independent Reactions, which comes after the dependent ones, it converts the light/radiant energy to glucose, or chemical energy.


What substance from the light-dependent reactions is a source of energy for the light independent reactions of photosynthesis?

They are ATP and NADH. They are energy carrying molecules.


What reactions convert light energy to chemical energy?

The light dependent reactions take in the light energy and convert that to chemical energy, but it is in the Calvin cycle (light independent reactions) where the chemical energy is stored in a complex sugar.


Which term is the part of photosynthesis when energy is used to make sugar glucose?

Light-independent reactions


Can the light dependant reactions occur without the light independent reactions?

No, the light reactions occur while light is present; however, the Calvin Cycle or light-independent reactions can occur any time. The light-independent reactions require photons, or energy stored from the light reactions, to complete photosynthesis.


What are the light independent and dependent stages of photosynthesis?

Light dependent reactions produce ATP and NADPH from energy captured from light. Therefore without light it cannot proceed. Light independent reactions fix carbon dioxide into glucose using the ATP and NADPH produced in the light dependent reactions. So light independent reactions can occur without light as long as CO2, ATP and NADPH is present.


What Light-independent reactions of the photosynthesis are also known as the?

The Calvin cycle does not require light, these reactions are also called the Light Independent reactions.