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  • plastid
  • These changes during senescence result in transdifferentiation of a chloroplast into a gerontoplast, a plastid form with unique structural features and physiology. (springer.com)
  • plant
  • Chloroplasts are highly dynamic-they circulate and are moved around within plant cells, and occasionally pinch in two to reproduce. (wikipedia.org)
  • Chloroplasts cannot be made by the plant cell and must be inherited by each daughter cell during cell division. (wikipedia.org)
  • Chloroplasts take the light energy given off by the sun and convert it into sugars, which are used by the cells to help the plant stay healthy and grow. (reference.com)
  • Andersson B and Aro E-M (1997) Proteolytic activities and proteases of plant chloroplasts. (springer.com)
  • When a pathogen attacks a plant, chloroplasts stop making food from sunlight and rush to the site of infection to help fend off the invader. (sciencenews.org)
  • To demonstrate the Hill reaction in the laboratory dichlorophenolindophenol (DCPIP) was used as the terminal electron acceptor, replacing NADP which was not available due to the extraction of the chloroplasts from the plant cellular environment. (wikipedia.org)
  • plants
  • Chloroplasts carry out a number of other functions, including fatty acid synthesis , much amino acid synthesis, and the immune response in plants. (wikipedia.org)
  • However, the chloroplasts of higher plants tend to look the same. (everything2.com)
  • Chloroplasts are food producers only found in the cells of a plants and a select number of protists. (reference.com)
  • Most of the sugars created in the chloroplast are converted by the plants into starch , which is stored in the plastids. (newworldencyclopedia.org)
  • It's possible, he says, that these responses are vestiges of chloroplasts' primitive defense system that plants have co-opted for their own immunity. (sciencenews.org)
  • He found that isolated chloroplasts from plants can release oxygen when they are illuminated by sunlight in the presence of a suitable electron acceptor such as ferricyanide. (wikipedia.org)
  • oxygen
  • He demonstrated that isolated chloroplasts would make oxygen (O2) but not fix carbon dioxide (CO2). (wikipedia.org)
  • The ferrocyanide is reduced (just as NADP is when the chloroplast is in vivo) while water (H2O) is oxidized into oxygen (O2) and hydrogen cations during the reaction. (wikipedia.org)
  • The technique of replacing the natural electron acceptors with artificial electron acceptors can be used in the laboratory to provide a means to measure phosphorylation in chloroplasts and observe its relation to the discharge of oxygen in this reaction. (wikipedia.org)
  • light
  • Chloroplasts may seem like docile farmers of light. (sciencenews.org)
  • He studied the reaction with the absence of CO2 by placing isolated active chloroplasts under light and dark conditions. (wikipedia.org)
  • During his observations of isolated chloroplasts placed under light conditions but with the absence of CO2, the artificial electron acceptors were reduced and then oxidized, completing the cycle and allowing the process to proceed. (wikipedia.org)
  • contain
  • Many chloroplast DNAs contain two inverted repeats, which separate a long single copy section (LSC) from a short single copy section (SSC). (wikipedia.org)
  • They are usually packed into nucleoids which can contain several identical chloroplast DNA rings. (wikipedia.org)
  • Main
  • The mechanism for chloroplast DNA (cpDNA) replication has not been conclusively determined, but two main models have been proposed. (wikipedia.org)