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     • A light-dependent reaction or light reaction is a chemical reaction that takes place in the presence of light. It is also known as ‘photolysis,’ meaning occurring in the presence of light.
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     Light-Dependent Reaction: Definition, Diagrams, and Products

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   What is the function of light-dependent reactions?

   • The overall function of light-dependent reactions is to convert solar energy into chemical energy in the form of NADPH and ATP. This chemical energy supports the light-independent reactions and fuels the assembly of sugar molecules. The light-dependent reactions are depicted in Figure \ (\PageIndex {7}\).

   2.5.3: The Light-Dependent Reactions of Photosynthesis

   bio.libretexts.org/Workbench/BIOL_190:_General_Biology_(OpenStax)/02:_Unit_II-_The_Cell/2.05:_Photosynthesis/2.5.03:_The_Light-Dependent_Reactions_of_Photosynthesis

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   What are the light-dependent reactions of photosynthesis?

   • License: CC BY: Attribution This page titled 8.6: The Light-Dependent Reactions of Photosynthesis - Processes of the Light-Dependent Reactions is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Boundless. Light-dependent reactions, which take place in photosystem I and II, convert solar energy into NADPH and ATP.

   8.6: The Light-Dependent Reactions of Photosynthesis - Processes of the

   bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_(Boundless)/08:_Photosynthesis/8.06:_The_Light-Dependent_Reactions_of_Photosynthesis_-_Processes_of_the_Light-Dependent_Reactions

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   How do light-dependent reactions begin in photosystem II?

   • The light-dependent reactions begin in photosystem II. In PSII, energy from sunlight is used to split water, which releases two electrons, two hydrogen atoms, and one oxygen atom. When a chlorophyll a molecule within the reaction center of PSII absorbs a photon, the electron in this molecule attains a higher energy level.

   8.6: The Light-Dependent Reactions of Photosynthesis - Processes of the

   bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_(Boundless)/08:_Photosynthesis/8.06:_The_Light-Dependent_Reactions_of_Photosynthesis_-_Processes_of_the_Light-Dependent_Reactions

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   Why do light-dependent reactions release oxygen as a byproduct?

   • The light-dependent reactions release oxygen as a byproduct as water is broken apart. In the Calvin cycle, which takes place in the stroma, the chemical energy derived from the light-dependent reactions drives both the capture of carbon in carbon dioxide molecules and the subsequent assembly of sugar molecules.

   10.4: The Light-Dependent Reactions - Biology LibreTexts

   bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Principles_of_Biology/01:_Chapter_1/10:_Photosynthesis/10.04:_The_Light-Dependent_Reactions

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   What molecule is produced during light-dependent reaction?

   • During this process, usable molecules like ATP and NADPH are generated as energy-carriers. The pigment is called chlorophyll and comes in two forms – chlorophyll a and chlorophyll b. The light-dependent reaction takes place within specialized membrane discs of the chloroplast, known as thylakoid.

   Light-Dependent Reaction: Definition, Diagrams, and Products

   www.sciencefacts.net/light-dependent-reaction.html

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   Where do light-dependent reactions begin?

   • The light-dependent reactions begin in a grouping of pigment molecules and proteins called a photosystem. Photosystems exist in the membranes of thylakoids. A pigment molecule in the photosystem absorbs one photon, a quantity or “packet” of light energy, at a time. A photon of light energy travels until it reaches a molecule of chlorophyll.

   5.2: The Light-Dependent Reactions of Photosynthesis

   ecampusontario.pressbooks.pub/biology/chapter/5-2-the-light-dependent-reactions-of-photosynthesis/

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3. www.sciencefacts.net › light-dependent-reactionLight-Dependent Reaction: Definition, Diagrams, and Products

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   Feb 2, 2023 · What is a Light-Dependent Reaction. A light-dependent reaction or light reaction is a chemical reaction that takes place in the presence of light. It is also known as ‘photolysis,’ meaning occurring in the presence of light. For example, plants use sunlight to prepare their food through photosynthesis, which is discussed in this article.

4. www.savemyexams.com › a-level › biologyThe Light Dependent Reaction (AQA A Level Biology)

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   The Light-Dependent Reaction. Light energy is used to breakdown water in a reaction known as photolysis; this produces hydrogen ions, electrons, and oxygen in the thylakoid lumen; A proton gradient is formed as the photolysis of water results in a high concentration of hydrogen ions in the thylakoid lumen

5. bio.libretexts.org › Bookshelves › Introductory_and8.6: The Light-Dependent Reactions of Photosynthesis ...

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   The overall function of light-dependent reactions, the first stage of photosynthesis, is to convert solar energy into chemical energy in the form of NADPH and ATP, which are used in light-independent reactions and fuel the assembly of sugar molecules.

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     Conceptual overview of light dependent reactions

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     Photosynthesis: The light-dependent stage

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     The Light Dependent Reaction of Photosynthesis

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7. bio.libretexts.org › Bookshelves › Introductory_and10.4: The Light-Dependent Reactions - Biology LibreTexts

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   In the light-dependent reactions, energy absorbed by sunlight is stored by two types of energy-carrier molecules: ATP and NADPH. The energy that these molecules carry is stored in a bond that holds a single atom to the molecule. For ATP, it is a phosphate atom, and for NADPH, it is a hydrogen atom.

8. bio.libretexts.org › Workbench › BIOL_190:_General2.5.3: The Light-Dependent Reactions of Photosynthesis

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   Jul 19, 2021 · The overall function of light-dependent reactions is to convert solar energy into chemical energy in the form of NADPH and ATP. This chemical energy supports the light-independent reactions and fuels the assembly of sugar molecules.

9. openstax.org › books › biology-2e8.2 The Light-Dependent Reactions of Photosynthesis

   openstax.org › books › biology-2e

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   The overall function of light-dependent reactions is to convert solar energy into chemical energy in the form of NADPH and ATP. This chemical energy supports the light-independent reactions and fuels the assembly of sugar molecules.

10. ecampusontario.pressbooks.pub › biology › chapter5.2: The Light-Dependent Reactions of Photosynthesis

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    In the first part of photosynthesis, the light-dependent reaction, pigment molecules absorb energy from sunlight. The most common and abundant pigment is chlorophyll a . A photon strikes photosystem II to initiate photosynthesis.