Cell Signalling and Transduction Which of the following is not a type of signaling molecule? Testosterone Insulin Thyroxin Adenylate cyclase Testosterone Insulin Thyroxin Adenylate cyclase ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The hormone or ligand can be considered as none of these both (a) and (b) second messenger first messenger none of these both (a) and (b) second messenger first messenger ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The enzyme that catalyzes the splitting of PIP2 into two molecules of inositol triphosphate (IP3) and diacylglycerol in cell signaling, is phospholipase C phosphodiesterase C phosphokinase C lipokinase phospholipase C phosphodiesterase C phosphokinase C lipokinase ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following statements about G proteins is false? They are involved in signal cascades They bind to and are regulated by guanine nucleotides They must be active before the cell can make needed cAMP They become activated when bound to GDP They are involved in signal cascades They bind to and are regulated by guanine nucleotides They must be active before the cell can make needed cAMP They become activated when bound to GDP ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Progesterone Nitric oxide Growth factors Adrenaline Progesterone Nitric oxide Growth factors Adrenaline ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is true about a hydrophilic signaling molecule? Since it can enter the cell, it directly affects some specific cell process It might trigger a signal cascade that causes some effect in a cell Its receptor is located in the cytosol of the target cell It is a steroid Since it can enter the cell, it directly affects some specific cell process It might trigger a signal cascade that causes some effect in a cell Its receptor is located in the cytosol of the target cell It is a steroid ANSWER DOWNLOAD EXAMIANS APP
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