draw the mechanism for the glyoxalate cycle enzyme malate synthase typed solution
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draw the mechanism for the glyoxalate cycle enzyme malate synthase
typed solution
Step by step
Solved in 3 steps with 1 images
- Complete the table below for the gluconeogenesis with their corresponding precursor molecule LACTATE Steps Structural Enzyme, Structural Formula activator and formula of Is the reaction reversible or irreversible? of the coenzyme the product substrate requiredMatch each of the enzymes involved in de novo pyrimidine synthesis with the correct description: _______ Dihydroorotate dehydrogenase _______ UMP synthase_______ Carbamoyl phosphate synthetase II _______ TMP synthase _______ CTP synthetase_______ Aspartate transcarbamoylase _______ PRPP synthetase (A) attaches an aspartate to an activated carbamoyl molecule(B) bifunctional enzyme that combines a nitrogenase pyrimidine ring to an activated ribose(C) catalyzes the formation of the activated ribose sugar(D) uses glutamine to add an amine to a preformed nucleotide(E) produces the first cyclic nitrogenase ring during de novo pyrimidine synthesis(F) combines bicarbonate and nitrogen from glutamine in the first step of pyrimidine ring synthesis (G) uses a folate derivative to add a methyl group to a preformed nucleotideExplain the Specific activity of beta amylase
- Crystals of phosphorylase a grown in the presence of glucose shatter when a substrate such as glucose 1- phosphate is added. Why?Provide an illustration showing how glutamate enter tricarboxylic acid cycle. Also, indicate the enzyme involved.Consider the mechanism of enolase, as indicated below. Which of the following correctly describes the roles of the Mg2+ as illustrated in the figure? (This is a multi- select question). Mg2+ Mg2 Enolase PO3- OH -C-C-H H OH HO H-N-H Lys 345 Glu211 2-Phosphoglycerate bound to enzyme Mg2+ Mg2 PO3- OH C-C-H OH HO H H-N*-H Lys 345 O Glu211 Enolic intermediate HOH PO3- H Phosphoenolpyruvate The metal ion (Mg2+) is helping to stabilize the extra negative charge that developed on the carboxyl group in the enolic intermediate. The metal ion (Mg2+) is serving as a general base, removing a proton in order to improve the quality of the nucleophile. The metal ion (Mg2+) is assisting in the oxidation of the carboxyl carbon through metal ion catalysis. The metal ion (Mg2+) is helping to orient the substrate properly in the active site. The metal ion (Mg2+) is accepting a proton in order to improve the quality of the leaving group.
- Describe the reaction and the products that would occur if transketolase acred upon a pentose aldose and a hexose ketose. pentose phosphate pathwayGalactose derived from lactose during milk consumption can be metabolized via the glycolytc pathway. Arrange the intermediates of galactose metabolism via glycolysis in order trom the first intermediate to the last intermediato. UDP-glucose Galactose UDPgalactose Galactose 1-phonphateThe enzyme that catalyzes reaction below can be classified as: CoO COO NAD+ NADH + H* Но- | malate -C- H-Ć- dehydrogenase Охaloacetate Malate isomerase lyase hydrolase oxidoreductase ligase transferase
- In the first stage of glycolysis, fructose-1,6-bisphosphate iscleaved to form glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. The latter molecule can then be converted to glyceraldehyde-3-phosphate. Illustrate themechanisms whereby these reactions occurTo understand the entire glycolytic pathways better, kindly complete the table below Steps Structural Formula Enzyme, activator and coenzyme required Structural formula of the product Is the reaction reversible or irreversible?Suggest a name for an enzymes that catalyzes each of the following reactions.1. Hydrolysis of Lactose 2. Oxidation of Nitrate3. Decarboxylation of Citrate4. Reduction of Exalate
