Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor? All of these Enzyme linked receptors G protein linked receptors Ion-channel linked receptors All of these Enzyme linked receptors G protein linked receptors Ion-channel linked receptors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction In vasodilation, proper nerve signals sent to blood vessels cause reduced blood pressure 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 ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction SH2 domains specifically bind to phosphorylated serine residues phosphorylated tyrosine residues Ca2+ GDP phosphorylated serine residues phosphorylated tyrosine residues Ca2+ GDP 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? PDGF; the blood Insulin; beta cells of the pancreas Insulin; many different cell types that use glucose for fuel NGF; the nerves involved in simple reflexes PDGF; the blood Insulin; beta cells of the pancreas Insulin; many different cell types that use glucose for fuel NGF; the nerves involved in simple reflexes ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following statements about G proteins is false? They must be active before the cell can make needed cAMP They bind to and are regulated by guanine nucleotides They become activated when bound to GDP They are involved in signal cascades They must be active before the cell can make needed cAMP They bind to and are regulated by guanine nucleotides They become activated when bound to GDP They are involved in signal cascades ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following processes involve the combining of a message from one signaling molecule with that of another to either enhance or inhibit a cellular effect? Signal transduction Signal integration Signal amplification Signal reception Signal transduction Signal integration Signal amplification Signal reception ANSWER DOWNLOAD EXAMIANS APP