Cell Signalling and Transduction The major second messengers are DAG All of these cGMP cAMP DAG All of these cGMP cAMP ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The signaling molecules called steroid hormones are made in one location of the body but have their effects some distance away never enter the blood of humans bind to cell surface receptors to trigger chemical cascades are hydrophilic and so cannot penetrate the plasma membrane are made in one location of the body but have their effects some distance away never enter the blood of humans bind to cell surface receptors to trigger chemical cascades are hydrophilic and so cannot penetrate the plasma membrane ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The hormone or ligand can be considered as first messenger none of these second messenger both (a) and (b) first messenger none of these second messenger both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common? They prevent the production of key signaling molecules They alter the chemical structure of key signaling molecules They block the normal functioning of signal transduction mechanisms They destroy the receptors for key signaling molecules They prevent the production of key signaling molecules They alter the chemical structure of key signaling molecules They block the normal functioning of signal transduction mechanisms They destroy the receptors for key signaling molecules 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 Cell signaling can be classified into three distinct types based on the distance over which the signaling molecules act two distinct types based on the distance over which the signaling molecules act three distinct types based on the signaling molecules None of these three distinct types based on the distance over which the signaling molecules act two distinct types based on the distance over which the signaling molecules act three distinct types based on the signaling molecules None of these ANSWER DOWNLOAD EXAMIANS APP