reaction is catalyzed by hexokinase
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CHOOSE THE CORRECT LETTER
1.What kind of reaction is catalyzed by hexokinase?
A. oxidation
B. reduction
C. phosphorylation
D. isomerization
2.Which of the following reaction types are NOT found in glycolysis?
A. phosphorylation
B. reduction
C. oxidation
D. isomerization
3.What type of reaction is catalyzed by glyceraldehyde-3-phosphate dehydrogenase?
A.phosphorylation
B.reduction
C. isomerization
D. oxidation
Step by step
Solved in 2 steps
- CHOOSE THE CORRECT LETTER 1.What kind of reaction is catalyzed by hexokinase? A. reductionB.phosphorylationC.isomerizationD. oxidation 2.What type of reaction regenerates oxaloacetate after one turn of the Kreb's cycle?A.dehydrationB.reductionC.oxidationD. hydrationCHOOSE THE CORRECT LETTER 1.Which of the following reaction types are NOT found in glycolysis?A. isomerizationB. oxidationC. reductionD. phosphorylation 2.What type of reaction regenerates oxaloacetate after one turn of the Kreb's cycle?A. hydrationB. dehydrationC. reductionD. oxidationCHOOSE THE CORRECT LETTER 1.Which of the following enzymes need ATP as a substrate in the reaction?A.phosphoglycerate kinaseB. phosphofructokinaseC. pyruvate kinaseD.glyceraldehyde-3-phosphate dehydrogenase
- 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. acetaldehydeCHOOSE THE CORRECT LETTER. Which of the following reactions require ATP in glycolysis?A. glucose-6-phosphate to fructose-6-phosphateB. fructose-1,6-bisphosphate to glyceraldehyde-3-phosphateC. 3-phosphoglycerate to 2-phosphoglycerateD. fructose-6-phosphate to fructose-1,6-bisphosphateCHOOSE THE CORRECT LETTER 1.What defines the sum of all biochemical reactions of an organism?A.EmbolismB. MetabolismC. AnabolismD. Catabolism 2.Which of the following biochemical reactions is NOT a catabolic reaction?A.GlycogenolysisB. GluconeogenesisC. Citric Acid CycleD.Glycolysis
- CHOOSE THE CORRECT LETTER 1.What kind of cells often use the glycerol-phosphate shuttle?A.brainB. heartC.liverD. kidney 2.What is the net ATP yield of the complete glycolysis of 5 molecules of glucose?A. 4B. 5C. 10D. 12 3.Which of the following substrates is used in the first oxidation step of the Kreb's cycle to produce NADH and COy?A. isocitrateB. a-ketoglutarateC. citrateD. succinyl-CoACHOOSE THE CORRECT LETTER ONLY. PLS ANSWER 1.Which of the following pathways DOES NOT occur in the mitochondria?A.Glycolysis B.Oxidative PhosphorylationC. Beta Oxidation of Fatty AcidsD.Krebs' Cycle 2.What defines the sum of all biochemical reactions of an organism?A.AnabolismB.MetabolismC.CatabolismD. Embolism 3.Oxidative phosphorylation happens in the mitochondriaA.TrueB. FalseCHOOSE THE CORRECT LETTER What type of reaction is catalyzed by glyceraldehyde-3-phosphate dehydrogenase?A.phosphorylationB.reductionC. isomerizationD. oxidation
- CHOOSE THE CORRECT LETTER 1.Which of the following substrates is used in the first oxidation step of the Kreb's cycle to produce NAH and CO2?A. isocitrateB.a-ketoglutarateC. citrateD. succinyl-CoA 2.What is the reason for isomerization of citrate to isocitrate?A.The reaction converts a tertiary alcohol, which cannot easily be oxidized, to a secondary alcohol that can be oxidizedB. Isocitrate protects cells from the toxic effects of arsenite ion.C. The reaction is one major regulatory step for the citric acid cycle because it functions as a rate limiting step.D. Isocitrate is a substrate for a reaction that occurs spontaneously without enzymatic catalysisCHOOSE THE CORRECT LETTER What type of reaction is catalyzed by glyceraldehyde-3-phosphate dehydrogenase?A.oxidationB. reductionC. phosphorylationD. isomerizationMatch the item to each step in the Krebs Cycle. Write your answers on the Google Form. isocitrate f. Oxaloacetate a. b. succinate g. Sulfur NAD* h. a-ketoglutarate fumarate C. d. malate i. succinyl-CoA j. ATP e. What molecule combines with acetyl-CoA and then releases CoA? 66. What molecule is oxidized by NAD+ to become a 5- carbon compound? 67. What molecule is oxidized by NAD+ to become a 4- carbon compound? 68. 69. What 4-carbon molecule is formed when combined with COA? 70. What molecule is produced when CoA is released? 71. What molecule is formed when GTP is oxidized to form GDP? 72. What atom is the bridge that connects to CoA? 73. What molecule is formed when FAD is reduced? 74. What molecule is formed with the addition of H,O? 75. Which molecule must be reduced so that oxaloacetate is formed? Match the product to the process. Write your answer on the Google Form. GTP f. CO, а. b. phosphofructinase NADH* + CO, g. Citrate formed. c. h. ATP d. Co-A i. Isocitrate HO j- Pyruvate e.…