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DCMU (3-(3,4-dichlorophenyl)-1,1-dimethylurea) inhibits electron transport in chloroplasts by blocking the plastoquinone binding site in photosystem II. This prevents the reduction of plastoquinone and disrupts the flow of electrons in the photosynthetic electron transport chain. As a result, the light-dependent reactions of photosynthesis are impaired, leading to decreased ATP and NADPH production. Consequently, this inhibition affects overall photosynthetic efficiency and plant growth.
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When and where does the electron transport take place?
The location of the electron transport system depends on the cell type.~The electron transport system is embedded in the inner membrane of the mitochondria for animal, plant and fungus cells.~The electron transport system is also in the thylakoid membrane of chloroplasts in plant cells.
How many electron transport chains are there in photosynthesis?
There is one electron transport chain in photosynthesis, which is located in the thylakoid membrane of the chloroplast. This electron transport chain is responsible for transferring electrons and generating ATP and NADPH during the light-dependent reactions of photosynthesis.
What is composed of a light-harvesting complex and an electron transport system?
A photosystem is composed of a light-harvesting complex and an electron transport system. The light-harvesting complex captures light energy and transfers it to the reaction center, where electrons are excited and transferred through the electron transport system to generate ATP and NADPH during photosynthesis.
Cooperation of the two photosystems of the chloroplast is required for?
The cooperation of the two photosystems of the chloroplast is required for the efficient generation of ATP and reducing power (NADPH) during photosynthesis. Photosystem II captures light energy to drive the electron transport chain, while photosystem I helps in the production of NADPH by receiving electrons from photosystem II. This cooperation is essential for the overall functioning of the light-dependent reactions in the chloroplast.
Which stage of cellular respiration is water produced?
water is made during the electron transport chain (etc) phase.
What is the incoming energy source for electron transport chain?
The electron transport chain is the driving energy behind ATP synthesis. The energy itself comes from electron donors. In chloroplast, this donor's glucose.
When and where does the electron transport take place?
The location of the electron transport system depends on the cell type.~The electron transport system is embedded in the inner membrane of the mitochondria for animal, plant and fungus cells.~The electron transport system is also in the thylakoid membrane of chloroplasts in plant cells.
The photosynthetic electron transport causes the accumulation of protons in which part of the chloroplast?
The accumulation of protons occurs in the thylakoid space within the chloroplast during photosynthetic electron transport. This forms a proton gradient that drives ATP synthesis during the process of photophosphorylation.
How many electron transport chains are there in photosynthesis?
There is one electron transport chain in photosynthesis, which is located in the thylakoid membrane of the chloroplast. This electron transport chain is responsible for transferring electrons and generating ATP and NADPH during the light-dependent reactions of photosynthesis.
What 2 things go with the mitochondria and chlorolast?
Mitochondria: Glycolosis, The Krebs cycle, and the electron transport chain complete cellular respiration Chloroplast: Photosynthesis takes place in the Stroma and the electron transport chain.
Where is the electron transport systems used to make ATP located?
The electron transport system used for ATP synthesis happens in the inner membrane of the mitochondrion and the proteins embedded within that membrane.
Where does electron transport in photosynthesis take place?
Electron transport in photosynthesis takes place in the thylakoid membrane of the chloroplast. It involves a series of protein complexes that transfer electrons along a chain, creating a proton gradient that drives ATP synthesis and ultimately produces NADPH for the Calvin cycle.
What is composed of a light-harvesting complex and an electron transport system?
A photosystem is composed of a light-harvesting complex and an electron transport system. The light-harvesting complex captures light energy and transfers it to the reaction center, where electrons are excited and transferred through the electron transport system to generate ATP and NADPH during photosynthesis.
Cooperation of the two photosystems of the chloroplast is required for?
The cooperation of the two photosystems of the chloroplast is required for the efficient generation of ATP and reducing power (NADPH) during photosynthesis. Photosystem II captures light energy to drive the electron transport chain, while photosystem I helps in the production of NADPH by receiving electrons from photosystem II. This cooperation is essential for the overall functioning of the light-dependent reactions in the chloroplast.
Which stage of cellular respiration is water produced?
water is made during the electron transport chain (etc) phase.
Photosynthetic electron transport in cyanobacteria takes place where?
Photosynthetic electron transport in cyanobacteria takes place in thylakoid membranes within the chloroplasts. These membranes contain the pigment chlorophyll, which captures light energy. The electron transport chain within these membranes is essential for the generation of ATP and NADPH, which are used in the production of carbohydrates during photosynthesis.
What are 2-3 differences between the electron transport chain in the mitochondria compared to the chloroplast?
Chloroplast converts light energy into chemical energy, whereas mitochondria converts chemical energy into a different chemical energy. Chloroplast is present in plants and mitochondria is present in all cells
