MCAT Question of the Day
    •

    Q:

    		 Signal transduction describes the process of extracellular signalling molecules and ligands binding to cell-surface receptors which triggers events inside the cell. Which of the following best describes an event NOT typically associated with signal transduction started by extracellular signals?
    		 

    A

    		 The binding of epinephrine to adrenergic receptors

    B

    		 Protein phosphorylation

    C

    		 A steroid hormone binding to its receptor

    D

    		 Activation of secondary messenger molecules



    Membrane Transport and Signalling | Hormonal Regulation |
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