Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor? Ion-channel linked receptors Enzyme linked receptors G protein linked receptors All of these Ion-channel linked receptors Enzyme linked receptors G protein linked receptors All of these ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Self-phosphorylation is an excellent mechanism for triggering specific catalytic function of the proteins involved in signal cascades because it allows hydrophilic signaling molecules to cross the plasma membrane changes the shape and thus the enzymatic activity of the proteins involved None of these makes the receptor more likely to capture the signaling, molecule allows hydrophilic signaling molecules to cross the plasma membrane changes the shape and thus the enzymatic activity of the proteins involved None of these makes the receptor more likely to capture the signaling, molecule ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a second messenger? Phospholipase C lnositol 1,4,5-triphosphate Diacyl glycerol Both (a) and (b) Phospholipase C lnositol 1,4,5-triphosphate Diacyl glycerol Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The signaling molecules called steroid hormones bind to cell surface receptors to trigger chemical cascades never enter the blood of humans are hydrophilic and so cannot penetrate the plasma membrane are made in one location of the body but have their effects some distance away bind to cell surface receptors to trigger chemical cascades never enter the blood of humans are hydrophilic and so cannot penetrate the plasma membrane are made in one location of the body but have their effects some distance away ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is not a type of signaling molecule? Thyroxin Insulin Adenylate cyclase Testosterone Thyroxin Insulin Adenylate cyclase Testosterone ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is true about a hydrophilic signaling molecule? It is a steroid It might trigger a signal cascade that causes some effect in a cell Its receptor is located in the cytosol of the target cell Since it can enter the cell, it directly affects some specific cell process It is a steroid It might trigger a signal cascade that causes some effect in a cell Its receptor is located in the cytosol of the target cell Since it can enter the cell, it directly affects some specific cell process ANSWER DOWNLOAD EXAMIANS APP
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