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    second messenger directly responsible for release ICstoreCa+

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    which of the following components of the second messenger cascade is directly responsible for the release of intracellular store of Ca+?(A) cAMP(B) Diacylglycerol(C) G-protein(D) Inositol 1,4,5 triphosphate(E) Nitric oxide(F)protein kinase

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    d)

    (D) Inositol 1,4,5 triphosphate

    Whereas diacylglycerol remains associated with the plasma membrane, the other second messenger produced by PIP2 cleavage, IP3, is a small polar molecule that is released into the cytosol, where it acts to signal the release of Ca2+ from intracellular stores.
    In many cells, the transient increase in intracellular Ca2+ resulting from production of IP3 is followed by a more sustained increase resulting from extracellular Ca2+ entry.

    http://www.ncbi.nlm.nih.gov/books/bv...ion.2234<br />

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    thanks

    Thanku so much for ur answer Dunn's fan

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