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; target cell; G proteins signaling molecule; receptor; G proteins kinase; receptor; proteases signaling molecule; target cell; receptors signaling molecule; target cell; G proteins signaling molecule; receptor; G proteins kinase; receptor; proteases ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction A signal cascade induced by adrenaline or thyroxine involves the activation of a G protein must begin with receipt of the signal molecule by a surface receptor results in the activation of a sequence of enzymes needed for the cell effect All of these involves the activation of a G protein must begin with receipt of the signal molecule by a surface receptor results in the activation of a sequence of enzymes needed for the cell effect All of these ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Progesterone Adrenaline Nitric oxide Growth factors Progesterone Adrenaline Nitric oxide Growth factors 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 lipokinase phosphokinase C phospholipase C phosphodiesterase C lipokinase phosphokinase C ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The major second messengers are DAG cAMP All of these cGMP DAG cAMP All of these cGMP ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction In the signal transduction mechanism known as protein phosphorylation phosphorylated proteins act with enzymes to trigger the signal cascade All of these the signaling molecule binds to a surface receptor receptor kinases play a key role in triggering the signal cascade phosphorylated proteins act with enzymes to trigger the signal cascade All of these the signaling molecule binds to a surface receptor receptor kinases play a key role in triggering the signal cascade ANSWER DOWNLOAD EXAMIANS APP