Which of the following substances derived from lipid catabolism serves as a precursor for glucose synthesis O acetoacetyl COA acetone palmitate O acetate O glycerol
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- Which of the following can be used to synthesize glucose by gluconeogenesis in the liver?a. fatty acidb. triglyceridec. glycerold. glycogene. ATPWhich of the following enzyme components of fatty acid synthase has/have a thiol group? A. ketoacyl-ACP reductase B. ketoacyl-ACP synthase C. enoyl- ACP reductase D. acyl carrier proteinWhich enzyme catalyzes the conversion of Cholesteryl ester to cholesterol and fatty acid? Cholesteryl ester hydrolase Glycerol-3-phosphate oxidase Lipase Peroxidase
- All of the following classes of enzymes catalyze the Fatty acid synthesis except a. synthetase b. Synthase c. Carboxylase d. DehydrgenCompare and contrast the following items related to lipid metabolism. Cite their main similarities/or differences. 1.lysophosphatidylcholine vs. phosphatidylethanolamine 2.trimyristin vs. triolein. 3. ACP vs. carnitine-acyl transferase.Which carbons of Glucose 1-Phosphate will be incorporated into Lauric acid (C-12) by the Fatty Acid Synthase? (One or multiple answers) a. Carbon 1 b. Carbon 2 c. Carbon 3 d. Carbon 4 e. Carbon 5 f. Carbon 6 g. All carbons will be incorporated. h. No carbons will be incorporated
- Which of the following intermediates serve as the brain’s primary source of energy during prolonged starvation? Group of answer choices acetyl CoA pyruvate fatty acyl CoA glucose acetoacetateTriacylglycerols in adipose tissue do not enter the bloodstream as triacyglycerolsexplainWhich of the following is not made from excess Acetyl CoA when a person is starving? Acetone Fatty Acids Acetoacetate 2-hydroxybutyrate
- in triacylglycerol mobilization, triacylglycerol molecules is activated by: phosphorylation hydrolysis reduction oxidationWhich of the following reactions correspond to the decarboxylation step during ketone body formation? A. 2 acetyl-CoA → acetoacetyl-CoA B. ß-hydroxybutarate → acetoacetate C. Acetoacetate → acetone D. HMG-CoA → mevalonateCompare and contrast the following items related to lipid metabolism. Cite their main similarities/or differences. 1. Steroid hormones vs. prostaglandins (in terms of their biosynthetic pathways). 2. Fatty acid synthase complex vs. pyruvate dehydrogenase complex.
