Une biochem 1005 Study guides, Class notes & Summaries

UNE BioChem 1005 Final Exam Questions & Answers Solved 100% Correct!! Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of...

Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal - c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of which of the following mechanisms? a. Translocation of GLUT 4 ...

UNE Biochem 1005 Unit 2 exam questions & answers 2024 1. Pyruvate dehydrogenase kinase catalyzes a reaction that results in which of the following? - ANSWER-The phosphorylation and inactivation of E1 subunit (pyruvate dehydrogenase complex 1. Which of the following intermediates is an allosteric activator of pyruvate kinase? - ANSWER-a. Fructose 1.6 bisphosphate 1. Which of the following is the initial second messenger in the signaling cascade initiated by glucagon? - ANSWER-a. cAMP ...

Which of the following reactions is commonly used to replenish intermediates of the citric acid cycle? correct answer: glutamate --> ketoglutarate Which of the following statements is true regarding the activity of the ribonuceltide reductase? correct answer: The enzyme is required to convert nucleotides from the ribose form to the deoxyribose form required for DNA synthesis A Southern blot with a probe (denoted as XXXX in the figure) to DNA isolated from an individual who has both a ...

UNE BioChem 1005 Final Exam Questions & Answers Solved 100% Correct!! Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of...

UNE Biochem 1005 Unit 2 Exam Latest Questions With Correct Solutions. 1. Pyruvate dehydrogenase kinase catalyzes a reaction that results in which of the following? The phosphorylation and inactivation of E1 subunit (pyruvate dehydrogenase complex 1. Which of the following intermediates is an allosteric activator of pyruvate kinase? a. Fructose 1.6 bisphosphate 1. Which of the following is the initial second messenger in the signaling cascade initiated by glucagon? a. cAMP 1. Hereditary ...

Which of the following is the major regulation point for transport of fatty acids into the mitochondria? correct answer: carnitine acyltransferase I The primary activation of triacylglycerol mobilization in adipocytes is through __________ of the enzyme ____________. correct answer: phosphorylation; hormone sensitive lipase Which of the following lipoproteins distributes dietary lipids? correct answer: chylomicron Which of the following statements regarding lipid digestion and absorp...

Somatostatin reduces the secretion of both glucagon and insulin through which of the following mechanisms? a. Somatostatin activates an activator G-protein b. Somatostatin activates MAPK cascade c. Somatostatin activates an inhibitory G-protein d. Somatostatin uses Ca+2 as a downstream signal correct answer: c. Somatostatin activates an inhibitory G-protein Insulin mediated glucose uptake by muscle and adipose tissue is a result of which of the following mechanisms? a. Translocatio...

Carnitine palmitoyl transferase - ANSWERS- transfers acyl groups from CoA to carnitine & vice versa - inhibited by malonyl-CoA ketone bodies - ANSWERS- acetoacetate, β-hydroxybutyrate, acetone - oxidized as fuel source in extreme fasting d-3-hydroxybutyrate dehydrogenase - ANSWERSinterconversion of acetoacetate and 3-hydroxybutyrate acetone - ANSWERSyielded by spontaneous decarboxylation of acetoacetate; waste product acetoacetate and 3-hydroxybutyrate - ANSWERS- ketone bodies pro...

The second messenger in the signaling cascade initiated by glucagon is: correct answer: cAMP Explanation: The second messenger for glucagon is cAMP. Review Module 2 GPCR signaling cascades When insulin is bound to its receptor an autophosphorylation event occurs and the IRS binds these phosphorylated sites through interactions with the: correct answer: SH2 domain Explanation: SH2 domains bind with phosphorylation sites and allow for docking of the IRS with the insulin receptor. Insulin...