The lipoprotein formed in the liver and exported into the blood is termed _____
ID: 50711 • Letter: T
Question
The lipoprotein formed in the liver and exported into the blood is termed _____ (VLDL/ LDL/chyromicrons/HDL)._____ . Its function is to (supply the liver with fatty acids/supply peripheral tissues with fatty acids/remove cholesterol from peripheral tissues). Note: please separate the two answers with a comma. Question 21 The lipoprotein, LDL, contains all of the following except: Triacyiglycerol, phospholipids, acetyl-CoA, cholestero, cholesterol ester, proteins, free fatty acids. Noe: separate multiple answers with a comma. Question 22 The enzymes in citric acid cycle that catalyze NADH-producing steps do not involve molecular oxygen (O2), but are strongly inhibited by anaerobic conditions. Explain this observation. Question 23 Propionyl-CoA can be formed in human as a result of fatty acid (oxidation or biosynthesis). Question 24 Explain the distinction between glucogenic and ketogenic amino acids in terms of their metabolic fates:Explanation / Answer
Q 20. HDL
removal of cholesterol from periperal tissue
Q 21.Acetyl COA
Q 22.NADH is produced in the reactions catalyzed by isocitrate dehydrogenase the Alpa-ketoglutarate dehydrogenase complex and malate dehydrogenase. These reactions are indirectley dependent on the presence of O2 decrease the NADH produced in the reactions is normally recycled to NAD+by passase of electrons from NADHtrough the respiratory chain to O2
Q23. b- oxidation
Q24. the glucogenic amino acids are those that are catabiolised to intermediate that can serve sustrates of gluconiogenysis pyruvate and any five or four carbon intermediate citric acid cycle.
Ketogenic amino acids are catabiolized to yield acetyl-CoA or acetoacetyl-CoA, the precursors for ketone body formation
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