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
Cell Signalling and Transduction In vasodilation, proper nerve signals sent to blood vessels cause All of these the release of nitric oxide from endothelial cells relaxation of smooth muscle cells reduced blood pressure All of these the release of nitric oxide from endothelial cells relaxation of smooth muscle cells reduced blood pressure 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 Cell signaling can be classified into 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 None of these three distinct types based on the distance over which the signaling molecules act ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Self-phosphorylation is an excellent mechanism for triggering specific catalytic function of the proteins involved in signal cascades because it allows hydrophilic signaling molecules to cross the plasma membrane None of these makes the receptor more likely to capture the signaling, molecule changes the shape and thus the enzymatic activity of the proteins involved allows hydrophilic signaling molecules to cross the plasma membrane None of these makes the receptor more likely to capture the signaling, molecule changes the shape and thus the enzymatic activity of the proteins involved 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 are hydrophilic and so cannot penetrate the plasma membrane never enter the blood of humans bind to cell surface receptors to trigger chemical cascades are made in one location of the body but have their effects some distance away are hydrophilic and so cannot penetrate the plasma membrane never enter the blood of humans bind to cell surface receptors to trigger chemical cascades ANSWER DOWNLOAD EXAMIANS APP