Cell Signalling and Transduction Which of the following statements about G proteins is false? 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 They bind to and are regulated by guanine nucleotides They must be active before the cell can make needed cAMP ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The hormone or ligand can be considered as both (a) and (b) second messenger none of these first messenger both (a) and (b) second messenger none of these first messenger ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor? All of these Ion-channel linked receptors Enzyme linked receptors G protein linked receptors All of these Ion-channel linked receptors Enzyme linked receptors G protein linked receptors 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 the signaling molecule binds to a surface receptor receptor kinases play a key role in triggering the signal cascade All of these phosphorylated proteins act with enzymes to trigger the signal cascade the signaling molecule binds to a surface receptor receptor kinases play a key role in triggering the signal cascade All of these 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; G proteins kinase; receptor; proteases signaling molecule; receptor; G proteins signaling molecule; target cell; receptors signaling molecule; target cell; G proteins kinase; receptor; proteases signaling molecule; receptor; G proteins signaling molecule; target cell; receptors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Cell signaling can be classified into None of these three distinct types based on the distance over which the signaling molecules act three distinct types based on the signaling molecules two distinct types based on the distance over which the signaling molecules act None of these three distinct types based on the distance over which the signaling molecules act three distinct types based on the signaling molecules two distinct types based on the distance over which the signaling molecules act ANSWER DOWNLOAD EXAMIANS APP
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