Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Progesterone Nitric oxide Adrenaline Growth factors Progesterone Nitric oxide Adrenaline Growth factors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The hormone or ligand can be considered as both (a) and (b) first messenger none of these second messenger both (a) and (b) first messenger none of these second messenger 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 not a type of signaling molecule? Adenylate cyclase Testosterone Thyroxin Insulin Adenylate cyclase Testosterone Thyroxin Insulin ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The major second messengers are All of these cGMP cAMP DAG All of these cGMP cAMP DAG ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is true about a hydrophilic signaling molecule? It might trigger a signal cascade that causes some effect in a cell Since it can enter the cell, it directly affects some specific cell process It is a steroid Its receptor is located in the cytosol of the target cell It might trigger a signal cascade that causes some effect in a cell Since it can enter the cell, it directly affects some specific cell process It is a steroid Its receptor is located in the cytosol of the target cell ANSWER DOWNLOAD EXAMIANS APP
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