UNE CHEM 1005 Unit 3 Exam Questions And All Correct Answers.

Which of the following lipoproteins is responsible for carrying cholesterol from peripheral tissues (i.e skeletal muscle) back to the liver? - Answer HDL What is the primary role of LCAT (Lecithin-cholesterol acyltransferase)? - Answer To esterify cholesterol transported by HDL Which enzyme is responsible for transferring triacylglycerol from VLDL to HDL in exchange for cholesterol? - Answer LCAT (Lecithin-Cholesterol Acyltransferase) Which of the following lipoproteins is responsible for the transport of dietary triacylglycerols in the blood? - Answer Chylomicrons Several hours after a high carbohydrate meal, the newly synthesized triacylglycerols in the liver will be packaged into which of the following lipoproteins? - Answer VLDL When LDL is taken up by a cell, it will have which of the following impacts to intracellular cholesterol? - Answer Increase in intracellular cholesterol; Decrease on de novo cholesterol synthesis Which of the following apoproteins is required for activation of lipoprotein lipase? - Answer ApoCII Which of the following apoproteins is present on an LDL particle and required for uptake by peripheral tissues? - Answer ApoB 100 Which of the following is the full complement of apoproteins present on VLDLs? - Answer ApoB100; ApoCII; ApoE Which of the following lipoproteins contains ApoA and ApoCII? - Answer HDL Elevated levels of acetyl CoA can be converted into ketone bodies and can potentially be used as fuel by all of the following tissues except: - Answer liver High levels of acetyl CoA within the mitochondria will stimulate the activity of which of the following enzymes? - Answer Pyruvate carboxylase