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 is incapable of signal transduction It is also the site of production for the signaling molecule It contains the receptor for the signaling molecule It is in the heart muscle It is incapable of signal transduction It is also the site of production for the signaling molecule It contains the receptor for the signaling molecule It is in the heart muscle ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction The major second messengers are cGMP DAG cAMP All of these cGMP DAG cAMP All of these ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Simple nerve reflexes use signaling molecules called G proteins proteases nitric oxides neurotransmitters G proteins proteases nitric oxides neurotransmitters ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction A signal cascade induced by adrenaline or thyroxine involves the activation of a G protein must begin with receipt of the signal molecule by a surface receptor results in the activation of a sequence of enzymes needed for the cell effect All of these involves the activation of a G protein must begin with receipt of the signal molecule by a surface receptor results in the activation of a sequence of enzymes needed for the cell effect All of these 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 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 mimics the action of signal receptors interferes with chemical cascades that trigger contraction of heart muscle is broken down into hormones that affect the heart breaks down into nitric oxide, which increases blood flow to the heart mimics the action of signal receptors interferes with chemical cascades that trigger contraction of heart muscle is broken down into hormones that affect the heart ANSWER DOWNLOAD EXAMIANS APP