Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor? G protein linked receptors Ion-channel linked receptors All of these Enzyme linked receptors G protein linked receptors Ion-channel linked receptors All of these Enzyme linked receptors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction cAMP and cGMP are derived from ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively None of these GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively ATP and GTP 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 GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively ATP and GTP by the actions of adenylate cyclase and guanylate cyclase respectively ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The binding of ligands to many G-proteins linked receptors leads to shortlived decrease in the concentration of certain extracellular signaling molecules called first messenger decrease in the concentration of certain intracellular signaling molecules called second messenger increase in the concentration of certain intracellular signaling molecules called second messenger increase in the concentration of certain extracellular signaling molecules called first messenger decrease in the concentration of certain extracellular signaling molecules called first messenger decrease in the concentration of certain intracellular signaling molecules called second messenger increase in the concentration of certain intracellular signaling molecules called second messenger increase in the concentration of certain extracellular signaling molecules called first messenger ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction What is the name of the protein signaling molecule that alters glucose uptake, and where would its receptors be located? Insulin; beta cells of the pancreas PDGF; the blood NGF; the nerves involved in simple reflexes Insulin; many different cell types that use glucose for fuel Insulin; beta cells of the pancreas PDGF; the blood NGF; the nerves involved in simple reflexes Insulin; many different cell types that use glucose for fuel ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is true about a hydrophilic signaling molecule? It is a steroid Its receptor is located in the cytosol of the target cell Since it can enter the cell, it directly affects some specific cell process It might trigger a signal cascade that causes some effect in a cell It is a steroid Its receptor is located in the cytosol of the target cell Since it can enter the cell, it directly affects some specific cell process It might trigger a signal cascade that causes some effect in a cell ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Simple nerve reflexes use signaling molecules called neurotransmitters proteases G proteins nitric oxides neurotransmitters proteases G proteins nitric oxides ANSWER DOWNLOAD EXAMIANS APP
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