CHEM 1005: Final Exam 2024 Questions & Answers 100% Correct!

which of the following is the regulatory enzyme for fatty acid synthesis? - ANSWERSacetyl CoA carboxylase an increase in the ratio of insulin to glucagon will increase the activity of which of the following enzymes - ANSWERSacetyl CoA carboxylase, phosphofructokinase 2, glycogen synthase insulin stimulates lipogenesis through several mechanisms. which of the following is not an insulin-stimulated process that enhances lipogenesis? - ANSWERSdecreased activity of the pyruvate dehydrogenase complex during fatty acid synthesis, after the initial step involving acetyl-CoA, the fatty acid chain is elongated by the addition of which of the following compounds? - ANSWERSmalonyl-CoA which of the following is the regulated step of lipogenesis in eukaryotes? - ANSWERScarboxylation of acetyl-CoA fatty acid synthase is a multimeric enzyme complex. which of the following subunits contains pantothenic acid as a cofactor? - ANSWERSacyl carrier protein (ACP) an individual consumes a large meal consisting of a cheeseburger and fries. which of the following intermediates is shuttled out of the TCA cycle to be used as a substrate for fatty acid synthesis ? - ANSWERScitrate an increase in the ratio of insulin to glucagon leads to which of the following metabolic shifts? - ANSWERSacetyl-CoA carboxylase will become dephosphorylated and active a 45-year old man is found to have elevated serum triglycerides (>730 mg/dL). He tells you he forgot to fast before his visit and ate a full breakfast of bacon and eggs before the labs were drawn. Which of the following lipoproteins would be the largest contributors to a measurements of plasma triglycerides in this situation? - ANSWERSchylomicrons and VLDLs The blood of a person who has recently consumed a large amount of fast would most likely contain increased levels of which of the following? - ANSWERSchylomicrons what is the primary lipid component of a VLDL particle? - ANSWERStriacylglycerols which of the following lipoproteins would be the largest contributors to a measurement of plasma cholesterol in an individual following a 2 hr fast? - ANSWERSHDLs and LDLs nascent chylomicrons interact with HDL particles within circulation. Which of the fol