Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Nitric oxide Adrenaline Progesterone Growth factors Nitric oxide Adrenaline Progesterone Growth factors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The hormone or ligand can be considered as none of these second messenger first messenger both (a) and (b) none of these second messenger first messenger both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a second messenger? lnositol 1,4,5-triphosphate Both (a) and (b) Phospholipase C Diacyl glycerol lnositol 1,4,5-triphosphate Both (a) and (b) Phospholipase C Diacyl glycerol ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation? Nitric oxide would no longer be produced It would be more difficult to increase blood flow and reduce blood pressure Smooth muscle cells could not be made to relax All of these Nitric oxide would no longer be produced It would be more difficult to increase blood flow and reduce blood pressure Smooth muscle cells could not be made to relax All of these 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? NGF; the nerves involved in simple reflexes Insulin; beta cells of the pancreas Insulin; many different cell types that use glucose for fuel PDGF; the blood NGF; the nerves involved in simple reflexes Insulin; beta cells of the pancreas Insulin; many different cell types that use glucose for fuel PDGF; the blood ANSWER DOWNLOAD EXAMIANS APP
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 also the site of production for the signaling molecule It is incapable of signal transduction It is in the heart muscle It contains the receptor for the signaling molecule It is also the site of production for the signaling molecule It is incapable of signal transduction It is in the heart muscle It contains the receptor for the signaling molecule ANSWER DOWNLOAD EXAMIANS APP
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