Give 3 types of specificity of enzyme and an example for each. Example: Relative Specificty - α-amylase enzyme can hydrolyze α-1-4 glycosidic linkage in starch and glycogen
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Give 3 types of specificity of enzyme and an example for each. Example: Relative Specificty - α-amylase enzyme can hydrolyze α-1-4 glycosidic linkage in starch and glycogen
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- Select the single best answer. What reaction does the enzyme triose phosphate isomerase catalyze? Conversion of dihydroxyacetone phosphate into glyceraldehyde-3-phosphate. Isomerization of 3-phosphoglycerate into 2-phosphoglycerate. Substrate level phosphorylation involving transfer of a phosphoryl group from 1,3-bisphosphoglycerate into 3-phosphoglycerate. Isomerization of glucose-6-phosphate into fructose-6-phosphate.a What would be the appropriate name for an enzyme that catalyzes each of the following reactions: b H3C iOH OH NH₂ alanine ligase alanine oxidoreductase alanine isomerase alanine transferase OH H3C CH3 H3C NO₂ propanone transferase propan-2-ol hydrolase propan-2-ol oxidoreductase propan-2-ol isomerase OH H3C CH3moodle.aaup.edu/mod/quiz/attem MISTRY I Section1 Lecture (20202_100213 purses / BIOCHEMISTRY I Section1 Lecture (20202_100213111 AAUP - JENIN) / 1 May -7 May Time left 0:37: Which of the following is not true for isozymes? O a. Many enzymes occur in several molecular structures called isozymes O b. Isozymes are enzymes that have a different other allosteric site O c. Various isozymes are expressed in different tissues of the body O d. Different isozyme catalyze the same chemical reactions, but differ slightly in their primary sequence and kinetic properties Next page pril 26 (Glycolysis, plysis Control + genesis Part I) Jump to...
- METABOLIC PATHWAYS. Carefully analyze the diagram below. Complete the diagram below by providing the name of the pathway (in oblongs beside arrows), OR the product or the precursor (rectangles). Choose your answer from the terms provided below. Write the capital letters of your answer on the space provided. The same answer can be used more than once. starch sucrose lactose 19 20 18 glucose gly cogen glycogenoly sis 17 Urea 1 cycle glucose ribos 3 16 gluconeogenesis glycolysis some amino acids 4 lactic acid amino acid catabolism 15 13 11 6 fats 12 acety FCOA ketone bodi 14 fatty add synthesis A.glucose B.fructose TERM BANK P. glycolysis Q. glycogenolysis C. galactose R. lipolys is FAD NAD+ S. ketogenesis E. pyruvate T. B-oxidation F.NADPH U. Kreb's cycle G. FADH2 V. fermentation W. glycogenesis X. lipogenesis J. glycerol Y.hydrolysis Z. oxidation AB. pentose phosphate pathway N. cellulose XY, electron transport chain D. urea 10 8 H. NADH I. NH3 9. K. H20 L. CO2 АТР M. maltose O. fatty…. Explain what is meant by the term, “high energy compound”. Name a thioester molecule that is commonly found in biochemical reactions. Explain why thioesters are “high energy” compounds. Describe the molecular structure of cellulose. How does this structure explain why cellulose forms strong fibers? Explain why digestion of cellulose takes a long time even when catalyzed by an enzyme. The enzyme phosphofructokinase transfers a phosphate from ATP to the hydroxyl group a C1 of fructose. Similar to fructose, water also has a hydroxyl group and the concentration of water is much higher than that of fructose. Explain why the phosphate is transferred to fructose and not to water.5. Matching Type Match Column A with Column B. Write your answer on the space provided. CAPITAL letters only. Column A Column B 1.. Citrate → Isocitrate 2. Fumarate → Malate 3. Fructose-1,6-bisphosphate → G3P and DHAP 4. PEP → Pyruvate 5. a-Ketoglutarate → Succinyl-CoA 6. Substrate-level phosphorylation 7. Oxidative decarboxylation 8. Reduction 9. Isomerization 10. Condensation 11. Fumarate → Malate 12. Citrate → Isocitrate 13. Succinate → Fumarate 14. Succinyl-CoA → Succinate 15. Malate → Oxaloacetate 16. Pyruvate → Acetaldehyde 17. Pyruvate → Acetyl-CoA 18. PEP → Pyruvate 19. 2-Phospoglycerate → PEP 20. Glucose Glucose-6-phosphate A. Succinate dehydogenase B. Succinyl-CoA synthetase C. Malate dehydrogenase D. Fumarase E. Citrate synthase E. Isocitrate → a-Ketoglutarate F. 3-Phosphoglycerate → 2-Phosphoglycerate F. Aconitase G. Acetyl-CoA + Oxaloacetate → Citrate G. Glycolysis H. Pyruvate → Lactate I. Glucose-6-phosphate → Fructose-6-Phosphate K. Kreb's cycle U. Enolase V. Hexokinase…
- True False Glucose oxidase can be used in determining glucose in the blood and urine Regardless of the distance between the enzyme and substrate, they will bind. Lipase is an enzyme primarily produced by the pancreas that breakdown peptide bonds between the oxygen molecules of glycerol and the hydroxyl molecules of fatty acids. Coenzymes are organic substances, while cofactors are inorganic. L-Amino-acid oxidase will catalyze reactions of D (-) - glycine. Redox reaction via oxidoreductase is still possible with one reactant only. The apoenzyme is the protein part of the enzyme, which is enzymatically inactive without cofactors. Lack of enzymes will lead to block in metabolic pathways causing inborn errors of metabolism Ligases are enzymes that catalyze the breakdown of chemical bonds. Ribozymes are catalytically active RNA molecules or RNA-protein complexesWhat is the catalytic efficiency of Catalase ? Table. The values of KM and kcat for some Enzymes and Substrates Enzyme Carbonic anhydrase Substrate CO2 HCO3 KM (M) 1.2 x 10-2 2.6 x 10-2 Kcat (s-1) 1.0 x 106 4.0 x 105 Catalase H2O2 2.5 x 10-2 1.0 x 107 Urease Urea 2.5 x 10-2 4.0 x 105 O A. 4 x 108 M-s-1 O B. 4 x 108 M-1.s-1 OC25x 10-9 M-s1 D. 2.5 x 102 M-1.s-1 OE 1.0 x 107 s1In class, I mentioned that fructose is metabolized differently in the liver compared to glucose. Refer to the figure shown below to calculate the number ofATPs you would expect from the metabolism of fructose in the liver. Show your work! Fructokinase Fructose Fructose-1-P АТР ADP Aldolase B Dihydroxy- acetone phosphate Glyceraldehyde АТР Triose kinase Triose phosphate isomerase ADP 4 - Glyceraldehyde-3-P Glycolysis Руruvate Acetyl-CoA Fatty acids and triglycerides
- Draw Gluconeogenesis. Please make sure to state all the enzymes and co-factors for each step of the pathway. note you are responsible for all the enzymes for each step, even though it is not stated on the slide.i. How dihydroxyacetone phosphate is formed from glycerol? Write the chemical reactions. a& ii. What product is formed by the reaction of B-glucose with ATP? OH HO Ho Hexokinase OH ATP OH OH Glucose iii. Why saturated fatty acids haye high melting points than their unsaturated counterparts? naà k7Long explanations are not needed. Direct answers would suffice. ***kind of in a hurry so having the answer asap would greatly be appreciated, thank you :)) a. Maltose contains 2 glucose units linked α1,4 and is a reducing sugar. i. True ii. False b. Which of the following polysaccharides contains glucose linked via β-1,4 glycosidic bonds? i. Amylopectin ii. Glycogen iii. Cellulose iv. Amylose