Cell Signalling and Transduction Which of the following is not a type of signaling molecule? Testosterone Thyroxin Insulin Adenylate cyclase Testosterone Thyroxin Insulin Adenylate cyclase ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following statements about G proteins is false? 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 They are involved in signal cascades ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Progesterone Adrenaline Growth factors Nitric oxide Progesterone Adrenaline Growth factors Nitric oxide 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 phosphokinase C phosphodiesterase C lipokinase phospholipase C phosphokinase C phosphodiesterase C lipokinase ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction In vasodilation, proper nerve signals sent to blood vessels cause the release of nitric oxide from endothelial cells All of these relaxation of smooth muscle cells reduced blood pressure the release of nitric oxide from endothelial cells All of these relaxation of smooth muscle cells reduced blood pressure ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Simple nerve reflexes use signaling molecules called proteases neurotransmitters nitric oxides G proteins proteases neurotransmitters nitric oxides G proteins ANSWER DOWNLOAD EXAMIANS APP
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