thylakoids


thylakoids
Membranous cisternae of the chloroplast, found as part of the grana and also as single cisternae interconnecting the grana. Contain the photosynthetic pigments, reaction centres and electron-transport chain. Each thylakoid consists of a flattened sac of membrane enclosing a narrow intra-thylakoid space.

Dictionary of molecular biology. 2004.

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  • Thylakoid — A Thylakoid is a membrane bound compartment inside chloroplasts and cyanobacteria. They are the site of the light dependent reactions of photosynthesis. The word thylakoid is derived from the Greek thylakos , meaning sac . Thylakoids consists of… …   Wikipedia

  • photosynthesis — photosynthetic /foh teuh sin thet ik/, adj. photosynthetically, adv. /foh teuh sin theuh sis/, n. Biol., Biochem. (esp. in plants) the synthesis of complex organic materials, esp. carbohydrates, from carbon dioxide, water, and inorganic salts,… …   Universalium

  • Photosynthesis — Composite image showing the global distribution of photosynthesis, including both oceanic phytoplankton and vegetation …   Wikipedia

  • Granum — commonly refers to:* A thylakoid stack (granum, pl. grana) inside chloroplasts. 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 intergrana… …   Wikipedia

  • Chloroplast — Simplified structure of a chloroplast Chloroplasts (English pronunciation: /ˈklɒrəplæsts/) are organelles found in plant cells and other eukaryotic organisms that conduct photosynthesis. Chloroplasts capture light energy to conserve …   Wikipedia

  • chloroplast — chloroplastic, adj. /klawr euh plast , klohr /, n. Bot. a plastid containing chlorophyll. See diag. under cell. [1885 90; CHLORO(PHYLL) + PLAST] * * * Microscopic, ellipsoidal organelle in a green plant cell. It is the site of photosynthesis. It… …   Universalium

  • RuBisCO — Ribulose 1,5 bisphosphate carboxylase/oxygenase, most commonly known by the shorter name RuBisCO [The term Rubisco was, in 1979, coined humorously by David Eisenberg at a seminar honouring the retirement of the early, prominent rubisco researcher …   Wikipedia

  • Chloroplast membrane — The simplified internal structure of a chloroplast Chloroplasts contain several important membranes, vital for their function. Like mitochondria, chloroplasts have a double membrane envelope, called the chloroplast envelope. Each membrane is a… …   Wikipedia

  • cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …   Universalium

  • plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …   Universalium


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