Cell Signalling and Transduction In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common? 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 They prevent the production of key signaling molecules They alter the chemical structure of key signaling molecules ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following comes under the category of cell surface receptor? All of these G protein linked receptors Ion-channel linked receptors Enzyme linked receptors All of these G protein linked receptors Ion-channel linked receptors Enzyme linked receptors ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction cAMP and cGMP are derived from None of these ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively ATP and GTP by the actions of adenylate cyclase and guanylate cyclase respectively None of these ATP and GTP by the actions of guanylate cyclase and adenylate cyclase respectively GTP and ATP by the actions of adenylate cyclase and guanylate cyclase respectively ATP and GTP by the actions of adenylate cyclase and guanylate cyclase respectively 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 changes the shape and thus the enzymatic activity of the proteins involved None of these makes the receptor more likely to capture the signaling, molecule allows hydrophilic signaling molecules to cross the plasma membrane changes the shape and thus the enzymatic activity of the proteins involved None of these makes the receptor more likely to capture the signaling, molecule allows hydrophilic signaling molecules to cross the plasma membrane 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 phosphodiesterase C phosphokinase C phospholipase C lipokinase phosphodiesterase C phosphokinase C phospholipase C lipokinase ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction SH2 domains specifically bind to Ca2+ phosphorylated serine residues GDP phosphorylated tyrosine residues Ca2+ phosphorylated serine residues GDP phosphorylated tyrosine residues ANSWER DOWNLOAD EXAMIANS APP