Asked by: Lidan Treig
science chemistry

Where do the products of light reactions go?

Last Updated: 12th June, 2020

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The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.

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Herein, what are the products of light reactions?

The products of the light reactions are ATP and NADPH. These products are generated by the electron transport chains in the chloroplasts.

Beside above, where does light reaction occur? In photosynthesis, the light-dependent reactions take place on the thylakoid membranes. The inside of the thylakoid membrane is called the lumen, and outside the thylakoid membrane is the stroma, where the light-independent reactions take place.

Secondly, what are the reactants and products of the light reactions?

In photosynthesis, chlorophyll, water, and carbon dioxide are reactants. GA3P and oxygen are products. In photosynthesis, water, carbon dioxide, ATP, and NADPH are reactants. RuBP and oxygen are products.

Which list gives the products of the light reactions of photosynthesis?

Carbon dioxide, water, and the sun's energy are necessary for the chemical reactions of photosynthesis. The products of photosynthesis are glucose and oxygen.

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What are the 3 products of the light reaction?

ATP and NADPH are used to convert the six molecules of 3-PGA into six molecules of a chemical called glyceraldehyde 3-phosphate (G3P). That is a reduction reaction because it involves the gain of electrons by 3-PGA. Recall that a reduction is the gain of an electron by an atom or molecule.

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What are the 3 products of light dependent reactions?

The two products of the light-dependent reactions of photosystem are ATP and NADPH. The movement of high energy electrons releases the free energy that is needed to produce these molecules. The ATP and NADPH are used in the light-independent reactions to make sugar.

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What is produced in the light reaction?

These electrons are used to produce NADPH as well as ATP in a series of reactions called the light reactions because they require light. NADPH and ATP formed by the action of light then reduce carbon dioxide and convert it into 3-phosphoglycerate by a series of reactions called the Calvin cycle or the dark reactions.

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What are the products of light reactions and Calvin cycle?

The ATP and NADPH used in these steps are both products of the light-dependent reactions (the first stage of photosynthesis). That is, the chemical energy of ATP and the reducing power of NADPH, both of which are generated using light energy, keep the Calvin cycle running.

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What is light reaction in biology?

Definition. The series of biochemical reactions in photosynthesis that require light energy that is captured by light-absorbing pigments (such as chlorophyll) to be converted into chemical energy in the form of ATP and NADPH. Supplement. The light reactions take place on the thylakoid membranes of the chloroplast.

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What are the products of the Calvin cycle?

The reactions of the Calvin cycle add carbon (from carbon dioxide in the atmosphere) to a simple five-carbon molecule called RuBP. These reactions use chemical energy from NADPH and ATP that were produced in the light reactions. The final product of the Calvin cycle is glucose.

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What is the difference between photosystem 1 and 2?

The two main multi-subunit membrane protein complexes differ in their absorbing wavelength, where the photosystem I or PS 1 absorbs the longer wavelength of light which is 700 nm while photosystem II or PS 2 absorbs the shorter wavelength of light 680 nm.

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What is the purpose of the light reactions where does it occur What are the main products?

The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.

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What are the products of respiration?

Cellular respiration is this process in which oxygen and glucose are used to create ATP, carbon dioxide, and water. ATP, carbon dioxide, and water are all products of this process because they are what is created. Carbon dioxide is released as a gas when you exhale.

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What are the three products of the Calvin cycle?

Products. The immediate products of one turn of the Calvin cycle are 2 glyceraldehyde-3-phosphate (G3P) molecules, 3 ADP, and 2 NADP+. (ADP and NADP+ are not really "products." They are regenerated and later used again in the Light-dependent reactions). Each G3P molecule is composed of 3 carbons.

Carmita Haigh

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What are the products of the light cycle?

The inputs are carbon dioxide from the air and the ATP and NADPH produced by the light reactions. The Calvin cycle uses carbon from the carbon dioxide, energy from the ATP, and high-energy electrons and hydrogen ions from the NADPH. The cycle's output is an energy-rich sugar molecule.

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What are the end products of light reaction in photosynthesis?

What are some products of light reactions of photosynthesis? The reaction is also known as photolysis in which the water molecule is broken down to hydrogen, oxygen and electrons in presence of light and grana. The end product, hygrogen is picked up by NADP(Nicotinamine Adenine Dinucleotide Phosphate) to form NADPH.

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What are products of light independent reactions?

Light-independent reactions take place in plant chloroplasts. In this process, sugars are made from carbon dioxide. The process, known as the Calvin cycle, uses products of the light-dependent reactions (ATP and NADPH) and various enzymes.

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What are the two products of photosynthesis?

The products of photosynthesis are glucose and oxygen. Photosynthesis takes in carbon dioxide and water and combine them in the presence of energy from the sun to make food for the organism.

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What are the three products of cellular respiration?

Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.

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What are the products of light reactions quizlet?

They convert light energy to chemical energy and give off O2. In light reactions, water is split, providing a source of electrons and giving off O2 as a biproduct. H+ electrons from water reduce NADP+to NADPH. Light reactions also generate ATP from ADP by adding a phosphate.

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What are the steps that occur in a light reaction?

Light Dependent Reactions. These reactions occur within specialised membrane discs within the chloroplast called thylakoids and involve three steps: Excitation of photosystems by light energy. Production of ATP via an electron transport chain.

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What is a stack of thylakoids called?

A granum (plural grana) is a stack of thylakoid discs. Chloroplasts can have from 10 to 100 grana. Grana are connected by stroma thylakoids, also called intergranal thylakoids or lamellae.