Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Adrenaline Growth factors Nitric oxide Progesterone Adrenaline Growth factors Nitric oxide Progesterone ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is true about a hydrophilic signaling molecule? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following statements about G proteins is false? They become activated when bound to GDP They must be active before the cell can make needed cAMP They are involved in signal cascades They bind to and are regulated by guanine nucleotides They become activated when bound to GDP They must be active before the cell can make needed cAMP They are involved in signal cascades They bind to and are regulated by guanine nucleotides ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The major second messengers are All of these DAG cAMP cGMP All of these DAG cAMP cGMP ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction When a __________ reaches its __________ , there is a specific means of receiving it and acting on the message. This task is the responsibility of specialized proteins called __________ . signaling molecule; target cell; receptors signaling molecule; receptor; G proteins kinase; receptor; proteases signaling molecule; target cell; G proteins signaling molecule; target cell; receptors signaling molecule; receptor; G proteins kinase; receptor; proteases signaling molecule; target cell; G proteins 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 phosphokinase C phospholipase C lipokinase phosphodiesterase C phosphokinase C phospholipase C lipokinase phosphodiesterase C ANSWER DOWNLOAD EXAMIANS APP
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