Cell Signalling and Transduction The signaling molecules called steroid hormones bind to cell surface receptors to trigger chemical cascades are hydrophilic and so cannot penetrate the plasma membrane never enter the blood of humans are made in one location of the body but have their effects some distance away bind to cell surface receptors to trigger chemical cascades are hydrophilic and so cannot penetrate the plasma membrane never enter the blood of humans are made in one location of the body but have their effects some distance away ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction What is the name of the protein signaling molecule that alters glucose uptake, and where would its receptors be located? Insulin; many different cell types that use glucose for fuel Insulin; beta cells of the pancreas PDGF; the blood NGF; the nerves involved in simple reflexes Insulin; many different cell types that use glucose for fuel Insulin; beta cells of the pancreas PDGF; the blood NGF; the nerves involved in simple reflexes ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a second messenger? Both (a) and (b) Phospholipase C Diacyl glycerol lnositol 1,4,5-triphosphate Both (a) and (b) Phospholipase C Diacyl glycerol lnositol 1,4,5-triphosphate ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The hormone or ligand can be considered as both (a) and (b) none of these first messenger second messenger both (a) and (b) none of these first messenger second messenger ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Nitroglycerin has long been administered to human patients suffering from chronic chest pain (angina). This medication works because it breaks down into nitric oxide, which increases blood flow to the heart interferes with chemical cascades that trigger contraction of heart muscle mimics the action of signal receptors is broken down into hormones that affect the heart breaks down into nitric oxide, which increases blood flow to the heart interferes with chemical cascades that trigger contraction of heart muscle mimics the action of signal receptors is broken down into hormones that affect the heart ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction A cell is known to respond to a particular signaling molecule. Which of the following must be true of this cell? It contains the receptor for the signaling molecule It is incapable of signal transduction It is in the heart muscle It is also the site of production for the signaling molecule It contains the receptor for the signaling molecule It is incapable of signal transduction It is in the heart muscle It is also the site of production for the signaling molecule ANSWER DOWNLOAD EXAMIANS APP
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