Arrange the balanced biochemical equations for all the reactions in the payoff phase of glycolysis and the conversion of pyruvate to lactate. Answer BankGlyceraldehyde 3-phosphate + Pi + NAD+-3-Phosphoglycerate 2-phosphoglycerate→ 1,3-bis2-Phosphoglycerate →→→ phosphoenolpyruvatePyruvate + NADH + H+ →→→→lactate + NAD+1,3-Bisphosphoglycerate + ADP →→→ 3-phosphoglycerPhosphoenolpyruvate + ADP →→ pyruvate + ATP

Glycolysis is the first phase in aerobic cellular respiration. It is the step during which one…

Answer Bank Glyceraldehyde 3-phosphate + P¡ + NAD+ →→→ 1,3-bis 3-Phosphoglycerate →→→ 2-phosphoglycerate 2-Phosphoglycerate phosphoenolpyruvate Pyruvate + NADH + H+ →→→→→lactate + NAD+ — 1,3-Bisphosphoglycerate + ADP →→→ 3-phosphoglycer Phosphoenolpyruvate + ADP →→→ pyruvate + ATP

Answer Bank Glyceraldehyde 3-phosphate + P¡ + NAD+ →→→ 1,3-bis 3-Phosphoglycerate →→→ 2-phosphoglycerate 2-Phosphoglycerate phosphoenolpyruvate Pyruvate + NADH + H+ →→→→→lactate + NAD+ — 1,3-Bisphosphoglycerate + ADP →→→ 3-phosphoglycer Phosphoenolpyruvate + ADP →→→ pyruvate + ATP

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

Which reaction below in the glycolytic pathway has a highly unfavorable delta Gº' but a favorable delta G under physiological conditions? 1,3-Bisphosphoglycerate + ADP3-Phosphoglycerate + ATP O2-phosphoglyerate → phosphoenolpyruvate Ofructose-1,6-bisphosphate dihydroxyacetone phosphate + glyceraldehyde-3-phosphate Ofructose-6-phosphate → fructose-1,6-bisphosphate
Which reaction is irreversible? oxidized glutathione + NADPH + H+ → reduced glutathione + NADP+ ribulose 5-phosphate → ribose 5-phosphate glucose 6-phosphate + NADP+ → 6-phosphoglucono-δ-lactone + NADPH + H+ sedoheptulose 7-phosphate + glyceraldehyde 6-phosphate → fructose 6-phosphate + erythrose 4-phosphate ribulose 5-phosphate → xylulose 5-phosphate
The coenzyme NAD+ is required for which glycolytic reaction shown below? Oglyceraldehyde-3-P→ 1,3-bisphosphoglycerate glucose glucose-6-P fructose-6-P→ fructose-1,6-BP 2-phosphoglycerate → phosphoenolpyruvate
Write the structure of each nucleotide-linked sugar in the pathway shown in Figure
Consider the following reaction of the glycolysis pathway. Which statement is NOT true regarding this reaction? P + C-H NADH + H+ NAD+ C-0-P H-C-OH H-C-OH Glyceraldehyde- CH₂0-P 3-phosphate dehydrogenase CH₂0-P 1,3-Bisphosphoglycerate Glyceraldehyde-3- phosphate O A one-carbon compound (1C) is converted into a two-carbon compound (2C). O It requires a coenzyme. O It is a redox reaction catalyzed by the enzyme glyceraldehyde-3-phosphate dehydrogenase. O It is a phosphorylation reaction.
Indicate the general type of enzyme that mediates each glycolysis reaction depicted below. (e.g. Transferase, Oxidoreductase, Kinase, Hydrolase, Lyase, or Isomerase) iii. O H Glyceraldehyde-3-phosphate → 1,3-Bisphosphoglycerate H-C-OH + NAD CH₂O-P + P₁ H-O- -C-H Glucose →→ Glucose-6-phosphate H b 0 OH HO OH H-C- 0 -H HO- H ОН H-C-OH + NADH +H+ CH₂O P P ATP ADP 1 H (P-O- -C- H H HO OH 2-Phosphoglycerate → Phosphoenolpyruvate 0 OH H ОН -O~(P) + HOH
Draw the products of the reaction of xylulose-5-phosphate and erythrose-4-phosphate catalyzed by transketolase in the pentose phosphate pathway. Provide the structure in the protonation state found in physiological conditions. H H H OH FO HO-H H-OH H OPO3²- Q transketolase Draw glyceraldehyde-3- phosphate H H- H H H O OH OH OPO3²- Draw fructose-6- phosphate Q I I
What product is formed when dihydroxyacetone phosphate is reacted with NADH in the presence of the enzyme glycerol 3-phosphate dehydrogenase? Assume any stereogenic center has the R configuration. This reaction is one step in the synthesis of glycerol (propane-1,2,3-triol), a starting material needed for the biosynthesis of triacylglycerols. НО. dihydroxyacetone phosphate
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.
C Phosphoglycerate enolase coo O H-C-O-P=O CH₂OH 2-Phosphoglycerate This is a (an) d Tyrosine hydroxylase HO coo NH3 L-Tyrosine This is a (an) 0₂ coo C-O-P-C || CH₂ Phosphoenolpyruvate H₂O + HO HO L-DOPA H₂O coo NH3
The table lists the standard free energies (AG°') of hydrolysis of some phosphorylated compounds. Compound Phosphoenolpyruvate (PEP) 1,3-Bisphosphoglycerate (1,3-BPG) Creatine phosphate ATP (to ADP) Glucose 1-phosphate Pyrophosphate (PP;) Glucose 6-phosphate Glycerol 3-phosphate kJ mol-¹ -61.9 -49.4 -43.1 -30.5 -20.9 -19.3 -13.8 -9.2 kcal mol-1 -14.8 -11.8 -10.3 -7.3 -5.0 -4.6 -3.3 -2.2
Choose the CORRECT sequence of glycine formation. transamination of 3-phosphoglycerate → hydrolysis of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → transfer of the side-chain methylene group of cysteine to tetrahydrofolate → glycine transamination of 3-phosphohydroxypyruvate → oxidation of 3-phosphoglycerate → transfer of the side-chain amino group of serine to tetrahydrofolate → glycine oxidation of 3-phosphoglycerate → oxidation of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → glycine transamination of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → oxidation of 3-phosphoglycerate →transfer of the side-chain methylene group of serine to tetrahydrofolate → glycine oxidation of 3-phosphoglycerate → transamination of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → transfer of the side-chain methylene group of serine to tetrahydrofolate → glycine