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 In the signal transduction mechanism known as protein phosphorylation the signaling molecule binds to a surface receptor All of these phosphorylated proteins act with enzymes to trigger the signal cascade receptor kinases play a key role in triggering the signal cascade the signaling molecule binds to a surface receptor All of these phosphorylated proteins act with enzymes to trigger the signal cascade receptor kinases play a key role in triggering the signal cascade ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Progesterone Growth factors Nitric oxide Adrenaline Progesterone Growth factors Nitric oxide Adrenaline 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 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 ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Small charged molecules, often biogenic amines function as neurotransmitters hormones both (a) and (b) none of these neurotransmitters hormones both (a) and (b) none of these 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 increase 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 decrease in the concentration of certain extracellular signaling molecules called first messenger increase 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 ANSWER DOWNLOAD EXAMIANS APP