Cell Signalling and Transduction In vasodilation, proper nerve signals sent to blood vessels cause the release of nitric oxide from endothelial cells relaxation of smooth muscle cells All of these reduced blood pressure the release of nitric oxide from endothelial cells relaxation of smooth muscle cells All of these reduced blood pressure ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor? Enzyme linked receptors G protein linked receptors All of these Ion-channel linked receptors Enzyme linked receptors G protein linked receptors All of these Ion-channel linked receptors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a second messenger? lnositol 1,4,5-triphosphate Diacyl glycerol Both (a) and (b) Phospholipase C lnositol 1,4,5-triphosphate Diacyl glycerol Both (a) and (b) Phospholipase C ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction In paracrine signaling, the signaling molecules affects only both (a) and (b) None of these target cells distant from its site of synthesis in cells of an endocrine organ target cells close to the cell from which it was secreted both (a) and (b) None of these target cells distant from its site of synthesis in cells of an endocrine organ target cells close to the cell from which it was secreted ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is true about a hydrophilic signaling molecule? It might trigger a signal cascade that causes some effect in a cell Since it can enter the cell, it directly affects some specific cell process It is a steroid Its receptor is located in the cytosol of the target cell It might trigger a signal cascade that causes some effect in a cell Since it can enter the cell, it directly affects some specific cell process It is a steroid Its receptor is located in the cytosol of the target cell ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common? They alter the chemical structure of key signaling molecules They prevent the production of key signaling molecules They block the normal functioning of signal transduction mechanisms They destroy the receptors for key signaling molecules They alter the chemical structure of key signaling molecules They prevent the production of key signaling molecules They block the normal functioning of signal transduction mechanisms They destroy the receptors for key signaling molecules ANSWER DOWNLOAD EXAMIANS APP