Cell Signalling and Transduction Which of the following is a second messenger? Diacyl glycerol Phospholipase C lnositol 1,4,5-triphosphate Both (a) and (b) Diacyl glycerol Phospholipase C lnositol 1,4,5-triphosphate Both (a) and (b) 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? NGF; the nerves involved in simple reflexes Insulin; many different cell types that use glucose for fuel PDGF; the blood Insulin; beta cells of the pancreas NGF; the nerves involved in simple reflexes Insulin; many different cell types that use glucose for fuel PDGF; the blood Insulin; beta cells of the pancreas ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction SH2 domains specifically bind to phosphorylated tyrosine residues phosphorylated serine residues GDP Ca2+ phosphorylated tyrosine residues phosphorylated serine residues GDP Ca2+ ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following statements about G proteins is false? They bind to and are regulated by guanine nucleotides They become activated when bound to GDP They are involved in signal cascades They must be active before the cell can make needed cAMP They bind to and are regulated by guanine nucleotides They become activated when bound to GDP They are involved in signal cascades They must be active before the cell can make needed cAMP ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Two key organizing principles for large multicellular organisms are prokaryotic cell structure and cell specialization simple nerve reflexes and cell specialization communication between cells and simple nerve reflexes cell specialization and communication between cells prokaryotic cell structure and cell specialization simple nerve reflexes and cell specialization communication between cells and simple nerve reflexes cell specialization and communication between cells ANSWER DOWNLOAD EXAMIANS APP
Cell Signalling and Transduction Which of the following is a hormone whose action requires a cell surface receptor? Nitric oxide Progesterone Adrenaline Growth factors Nitric oxide Progesterone Adrenaline Growth factors ANSWER DOWNLOAD EXAMIANS APP
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