Which of these is a logical. signal transduction pathway? (2 points) A receptor

Question

Which of these is a logical. signal transduction pathway? (2 points) A receptor tyrosine kinase activates adenylyl cyclase, which activates phospholipase C, which converts ATP into cyclic AMP, which binds to an intracellular enzyme that carries out a response. A G-protein-linked receptor activates G protein, which activates phospholipase C, which cleaves a membrane protein to form IP3, which binds to a calcium channel on the ER, which opens to release calcium ions into the cytoplasm, which bind to an intracellular enzyme that carries out a response. An ion-channel receptor opens, allowing a steroid hormone to enter the cell; the steroid hormone then activates protein kinases that convert GTP to GDP, which binds to an intracellular enzyme that carries out a response. An intracellular receptor activates phospholipase C, which cleaves a membrane protein to form IP3,which then activates the opening of an ER channel protein, which releases cyclic AMP into the cytoplasm, where t binds to an intracellular enzyme that carries out a response.

Explanation / Answer

A G protein-linked receptors activates G proteins, which activates phospholipase C, which cleaves a membrane protein to form IP3 , which binds to a calcium channel on the ER , which opens to releases calcium ions into the cytoplasm, which bind to an intercellular enzyme that carries out a response

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