Cell Signalling and Transduction A cell is known to respond to a particular signaling molecule. Which of the following must be true of this cell? It is in the heart muscle It contains the receptor for the signaling molecule It is incapable of signal transduction It is also the site of production for the signaling molecule It is in the heart muscle It contains the receptor for the signaling molecule It is incapable of signal transduction It is also the site of production for the signaling molecule ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction In paracrine signaling, the signaling molecules affects only target cells distant from its site of synthesis in cells of an endocrine organ both (a) and (b) target cells close to the cell from which it was secreted None of these target cells distant from its site of synthesis in cells of an endocrine organ both (a) and (b) target cells close to the cell from which it was secreted None of these ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction cAMP and cGMP are derived from GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively None of these ATP and GTP by the actions of adenylate cyclase and guanylate cyclase respectively GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively None of these ATP and GTP by the actions of adenylate cyclase and guanylate cyclase respectively ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The hormone or ligand can be considered as both (a) and (b) first messenger none of these second messenger both (a) and (b) first messenger none of these second messenger ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction When a __________ reaches its __________ , there is a specific means of receiving it and acting on the message. This task is the responsibility of specialized proteins called __________ . signaling molecule; receptor; G proteins signaling molecule; target cell; G proteins kinase; receptor; proteases signaling molecule; target cell; receptors signaling molecule; receptor; G proteins signaling molecule; target cell; G proteins kinase; receptor; proteases signaling molecule; target cell; receptors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction A signal cascade induced by adrenaline or thyroxine results in the activation of a sequence of enzymes needed for the cell effect must begin with receipt of the signal molecule by a surface receptor involves the activation of a G protein All of these results in the activation of a sequence of enzymes needed for the cell effect must begin with receipt of the signal molecule by a surface receptor involves the activation of a G protein All of these ANSWER DOWNLOAD EXAMIANS APP
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