Thylakoids are membrane-bound structures found within chloroplasts and cyanobacteria, essential for photosynthesis. They contain chlorophyll and other pigments that capture light energy.
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Thylakoids are the site of the light-dependent reactions in photosynthesis.
In cyanobacteria, thylakoids are not organized into stacks like in plants but are dispersed throughout the cell.
They play a crucial role in converting solar energy into chemical energy.
The thylakoid membrane contains integral proteins that assist in electron transport and ATP synthesis.
Grana are stacks of thylakoids found in the chloroplasts of eukaryotic phototrophs, but such organization is absent in prokaryotic phototrophs.