name and explain the process that occur in thylakoid
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A thylakoid is a membrane-bound compartment inside chloroplasts and cyanobacteria. They are the site of the light-dependent reactions of photosynthesis. Thylakoids consist of a thylakoid membranesurrounding a thylakoid lumen. Chloroplast thylakoids frequently form stacks of disks referred to as grana (singular: granum). Grana are connected by intergranal or stromathylakoids, which join granum stacks together as a single functional compartment.
Inside of plant cells, there are chloroplasts. Inside the chloroplasts are all of the structures that help plants capture and convert light into energy. The thylakoid membrane is where much of this occurs, and we will discuss its role here.
Plant Cell Structure
Plant cells are eukaryotic, meaning that they have a nucleus and membrane-bound organelles. Most of the organelles will resemble those found in other eukaryotic cells. There are some different organelles, though. One of those organelles is the chloroplast.
Chloroplasts and Thylakoids
Inside the chloroplasts of plant cells, you will find stacks of thylakoids called grana. In some plant cells, thylakoids will not always be stacked. As a brief reminder, thylakoidsare membrane-bound compartments inside of the chloroplasts. Thylakoids are the epicenter for photosynthetic light-reactions. They contain the chlorophyll for the plant, which is the light-collecting pigment.
igher plants have specially organized thylakoids in which each chloroplast has 10-100 grana that are connected to each other by stroma thylakoids. The stroma thylakoids may be thought of as tunnels that connect the grana. The grana thylakoids and stroma thylakoids contain different proteins.
Role of the Thylakoid in Photosynthesis
Reactions performed in the thylakoid include water photolysis, the electron transport chain, and ATP synthesis.
Photosynthetic pigments (e.g., chlorophyll) are embedded into the thylakoid membrane, making it the site of the light-dependent reactions in photosynthesis. The stacked coil shape of the grana gives the chloroplast a high surface area to volume ratio, aiding the efficiency of photosynthesis.
The thylakoid lumen is used for photophosphorylation during photosynthesis.
Inside of plant cells, there are chloroplasts. Inside the chloroplasts are all of the structures that help plants capture and convert light into energy. The thylakoid membrane is where much of this occurs, and we will discuss its role here.
Plant Cell Structure
Plant cells are eukaryotic, meaning that they have a nucleus and membrane-bound organelles. Most of the organelles will resemble those found in other eukaryotic cells. There are some different organelles, though. One of those organelles is the chloroplast.
Chloroplasts and Thylakoids
Inside the chloroplasts of plant cells, you will find stacks of thylakoids called grana. In some plant cells, thylakoids will not always be stacked. As a brief reminder, thylakoidsare membrane-bound compartments inside of the chloroplasts. Thylakoids are the epicenter for photosynthetic light-reactions. They contain the chlorophyll for the plant, which is the light-collecting pigment.
igher plants have specially organized thylakoids in which each chloroplast has 10-100 grana that are connected to each other by stroma thylakoids. The stroma thylakoids may be thought of as tunnels that connect the grana. The grana thylakoids and stroma thylakoids contain different proteins.
Role of the Thylakoid in Photosynthesis
Reactions performed in the thylakoid include water photolysis, the electron transport chain, and ATP synthesis.
Photosynthetic pigments (e.g., chlorophyll) are embedded into the thylakoid membrane, making it the site of the light-dependent reactions in photosynthesis. The stacked coil shape of the grana gives the chloroplast a high surface area to volume ratio, aiding the efficiency of photosynthesis.
The thylakoid lumen is used for photophosphorylation during photosynthesis.
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