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 integration Signal amplification Signal transduction Signal reception Signal integration Signal amplification Signal transduction Signal reception ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is not a type of signaling molecule? Insulin Thyroxin Testosterone Adenylate cyclase Insulin Thyroxin Testosterone Adenylate cyclase 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 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 increase in the concentration of certain intracellular signaling molecules called second messenger decrease 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 increase in the concentration of certain intracellular signaling molecules called second messenger ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor? Enzyme linked receptors Ion-channel linked receptors G protein linked receptors All of these Enzyme linked receptors Ion-channel linked receptors G protein linked receptors All of these 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 second messenger? lnositol 1,4,5-triphosphate Phospholipase C Diacyl glycerol Both (a) and (b) lnositol 1,4,5-triphosphate Phospholipase C Diacyl glycerol Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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