Complete the pathway below by writing the intermediate (I) name, pathway name (P) and enzyme (E) name.
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Complete the pathway below by writing the intermediate (I) name, pathway name (P) and enzyme (E) name.
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- Radiolabeling with 14C-Glutamate Describe the labeling pattern that would result from the introduction into the TCA cycle of glutamate labeled at Cy with 14C.22. Which hormone is NOT derived from cholesterol? a. oxytocin b. testosterone c. both a and b d. neither a nor b 23. Which lipoprotein mostly contains triacyglycerol (TAGs)? a. HDL b. VLDL c. LDL d. chylomicrons 24. Which enzyme in cholesterol synthesis is inhibited by statins? a. HMG-CoA synthase b. HMG-CoA reductase c. both a and b d. neither a nor b 25. Which lipoprotein prevents the formation of plaque in the artery? a. HDL b. VLDL c. LDL d. chylomicrons 26. In which test/s will triacylglycerol yield a positive result? a. acrolein b. translucent spot c. both a and b d. neither a nor b 27. In which solvent will corn oil be soluble? a. hexane b. benzene c. both a and b d. neither a nor b 28. In which test/s will cholesterol yield a positive result? a. acrolein b. Huble's test c. both a and b d. neither a nor b 29. Which sample would test negative in saponification test? a. cholesterol b. 18:2 fatty acid c. both a and b d. neither a nor b 30. What test could distinguish…The metabolic precursor for the production of most eicosanoids is
- When the pathogen Salmonella typhimurium infects mammalian cells, the host cell protease caspase-1 is enabled to cleave and thereby activate signaling proteins that instigate the immune response. The targets of caspase-1 also include aldolase and enolase. What eff ect would this have on the infected cell and why might this be advantageous to the organism?Malonyl-CoA synthesized by the action of acetyl-CoA carboxylase II is primarily used:a. To synthesize fatty acidsb. To inhibit fatty acid oxidationc. Both a and bd. Neither a nor bThe peroxisomal enzyme b-ketoacyl–CoA-thiolase does notbind medium-chain acyl-CoA, in contrast to the analogousmitochondrial enzyme. Explain why this phenomenon is anadvantage to the cell.
- The sources of the three (3) carbons in malonyl-Coa is/are: a. 1 C from C02 and 2 C from acetyl-CoA b. 1 C from HCO3- and 2 C from acetyl-CoA c. 1 C from biotin and 2 C from acetyl-CoA d. All three C from acetyl-CoAA patient who has been drinking large amounts of alcohol for long periods of time shows thefollowing symptoms: apathy, loss of memory, and a rhythmical to-and-fro motion of the eyeballs.Which of the following reactions are most likely to be affected in the patient? A. Conversation of pyruvate to acetyl-CoA B. Conversation of a-ketoglutarate to succinyl-CoA C. Both A and B D. Neither A nor BAlthough animals cannot synthesize glucose from acetyl-CoA, if a rat is fed 14C-labeled acetate, some of the label appears in glycogen extracted from its muscles. Explain.
- When the activated form of alcohol is used to synthesize glycerophospholipids, CDP-alcohol reacts with diacylglycerol to form glycerophospholipids. In this metabolic pathway, diacylglycerol is most likely produced by: a) Triacylglycerol lipase b) Phosphatidate phosphorylase c) Diacylglycerol lipase d) All of the above e) None of the aboveThe reaction of acetyl-CoA and oxaloacetate in the TCA cycle forms a. 5-carbon α-ketoglutarate b. 4-carbon Succinyl-CoA c. 6-carbon citrate d. 6-carbon α-ketoglutarate e. 4-carbon citrateWhich one of the following will function to inhibit CPT1? A.palmitoyl-CoA B.citrate C propionyl-CoA D.acetyl-CoA E malonyl-CoA