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CHOOSE THE CORRECT LETTER. PLS ANSWER
1.Which of the following enzymes has an INDIRECT control point outside the Kreb's cycle?
A.citrate synthase
B.pyruvate dehydrogenase
C. isocitrate dehydrogenase
D. a-ketoglutarate dehydrogenase
2.Which of the following is a purely glucogenic amino acid?
A. isoleucine
B. glycine
C. lysine
D. leucine
Step by step
Solved in 6 steps
- CHOOSE THE CORRECT LETTER 1.Which of the following enzymes catalyze the reaction involved in the production of FADHy in the Kreb's cycle?A. malate dehydrogenaseB. a-ketoglutarate dehydrogenaseC.isocitrate dehydrogenaseD. succinate dehydrogenase 2.Steric acid requires eight cycles of B-oxidation to be completely converted to acety/-CoA.A.TrueB. FalseCHOOSE THE CORRECT LETTER 1.Stearic acid requires eight cycles of B-oxidation to be completely converted to acetyl-CoA.A. TrueB. False 2.ATP is produced from the electron transport system via oxidative phosphorylation.A. TrueB. FalsePlease help, thanks! Pyruvate Dehydrogenase Complex:
- CHOOSE THE CORRECT LETTER.... 1.Gluconeogenesis involves the conversion ofA.pyruvate to glucoseB.glucose to pyruvateC. phosphoenol pyruvate to glucoseD.pyruvate to fructose 2.Stearic acid requires eight cycles of B-oxidation to be completely converted to acetyl-CoA.A. TrueB. False 3.ATP is produced from the electron transport system via oxidative phosphorylation.A. TrueB. FalseNeed help, please. In this scenario, a patient has beriberi. Beriberi patients can be treated through a thiamine-enriched diet. The patient was put on a thiamine-enriched diet but not all of their symptoms were alleviated. Through genetic testing, it was found that there was also a small defect in pyruvate dehydrogenase phosphatase that decreases its normal activity. 1. Explain why this genetic defect can cause beriberi symptoms (i.e. high pyruvate levels after a high-carb meal). 2. Why did thiamine supplementation not alleviate the symptoms for this patient?CHOOSE THE CORRECT LETTER 1.Which of the following molecules are NOT involved in the reaction catalyzed by phosphoglycerate kinase?A.3-phosphoglycerateB.NADHC. 1,3-bisphosphoglycerateD. ATP 2.What is the significance of the Kreb's cycle as a metabolic pathway?A.It allows recovery of energy from carbohydrates only.B.It allows recovery of energy from glucogenic and ketogenic amino acids.C.It allows recovery of energy from fatty acids only.D. It allows recovery of energy from several metabolic fuels that are brokEn down to acetyl-CoA 3.What is the product of glucose metabolism in skeletal muscles in aerobic conditions?A. glycogenB. Acetyl-CoAC. lactateD. acetaldehyde
- CHOOSE THE CORRECT LETTER 1.What kind of reaction is catalyzed by hexokinase?A. oxidationB. reductionC. phosphorylationD. isomerization 2.Which of the following reaction types are NOT found in glycolysis?A. phosphorylationB. reductionC. oxidationD. isomerization 3.What type of reaction is catalyzed by glyceraldehyde-3-phosphate dehydrogenase?A.phosphorylationB.reductionC. isomerizationD. oxidationNeed help, please. Given that the enzyme pyruvate carboxylase converts Pyruvate into Oxaloacetate and this is an anapleurotic reaction. In the liver, what is most of the OAA converted into under these conditions? Please explain. 1. When blood glucose levels are low and the energy charge in the cell is high. 2. When mitochondrial acetyl-CoA levels are high and the energy charge is low.CHOOSE THE CORRECT LETTER 1.What are the B-oxidation products of lauric acid (C12H2402), a major component of coconut oil?A.6 acetyl-CoA, 6 NADH, 6 FADH2B. 6 acetyl-CoA, 5 NADH, 5 FADH2C. 5 acetyl-CoA, 6 NADH, 6 FADH2D. 5 acetyl-CoA, 5 NADH, 5 FADH2 2.What is the mechanism of ATP synthesis in glycolysis?A. substrate level phosphorylationB. reductionC. oxidationD. oxidative phosphorylation 3.Which of the following enzymes need ATP as a substrate in the reaction?A.phosphoglycerate kinaseB. phosphofructokinaseC. pyruvate kinaseD.glyceraldehyde-3-phosphate dehydrogenase
- Can you please pick the right answer in each parentheses? Gluconeogenesis is essentially ["a bypass of glycolysis", "the reverse of glycolysis"] , providing a way of counteracting low levels of ["glucose", "ATP"] . There are 10 enzyme catalyzed steps in glycolysis and gluconeogenesis employs ["seven of them", "none of them"] . ["pyruvate carboxylase", "pyruvate kinase"] is a key enzyme in gluconeogenesis, serving to take pyruvate to ["oxaloacetate", "phosphoenolpyruvate"].CHOOSE THE CORRECT LETTER What type of reaction is catalyzed by glyceraldehyde-3-phosphate dehydrogenase?A.phosphorylationB.reductionC. isomerizationD. oxidationCan you please pick the right answer in each parentheses? The regulation of fatty acid biosynthesis must coordinate the energy state and levels of fatty acids in cells. This is achieved by ["", "AMP kinase", "ATP kinase", ""], a monitor of the energy state of the cell, and ["palmitoyl-CoA", "oxaloacetate"], that provides allosteric regulation of ["HMG-CoA reductase", "Acetyl-CoA carboxylase"]. The regulated enzyme in this case is affected by its ["cellular localization", "polymerization state"] as well as its ["glutathione modification state", "phosphorylation state"].