Matrix

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Space/ supporting medium within which something is formed. Can be either Intracellular or Extracellular.

An example of an intracellular matrix is the large internal compartment of a Mitochondria or the internal compartment of Chloroplasts (stroma). In the mitochondrial matrix, an important process citric acid cycle takes place, - this is crucial for cellular respiration that produces ATP (energy molecules)

The extracellular matrix is the composite of secreted Proteins and Polysaccharides, in which cells are embedded[1].

References

  1. Albert B., Johnson A., Lewis J., Raff M., Roberts K., Walter P. (2008) Molecular Biology of the Cell, Fifth Edition, New York: Garland Science
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