Stroma: The matrix surrounding the grana in the inner membrane of chloroplasts. The area between membranes (thylakoids, grana) inside the chloroplast.

 

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Stroma: The matrix surrounding the grana in the inner membrane of chloroplasts. The area between membranes (thylakoids, grana) inside the chloroplast.

Stromatolite: A sedimentological and biological fossil representinmg colonies of bacteria altenating with layers of sediments. Becoming more common during the Proterozoic, stromatolites persist today in m . . . View Full Definition

Calvin Cycle: Series of biochemical, enzyme-mediated reactions during which atmospheric carbon dioxide is reduced and incorporated into organic molecules, eventually some of this forms sugars. In eukaryot . . . View Full Definition