somerization of glucose 1-phosphate to glucose 6-phosphate is energetically favorable. At 37°&delta G° = –1.42 log10K deltaG° = –1.74 kcal/mole at 37°C?
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Isomerization of glucose 1-phosphate to glucose 6-phosphate is energetically favorable. At 37°&delta G° = –1.42 log10K deltaG° = –1.74 kcal/mole at 37°C?
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- Which of the reactions are spontaneous (favorable)? 1)DHAP↽−−⇀glyceraldehyde-3-phosphateΔ?=3.8 kJ/mol 2)L-malate+NAD+⟶oxaloacetate+NADH+H+Δ?=29.7 kJ/mol- 3) glutamate+NAD++H2O⟶NH+4+α-ketoglutarate+NADH+H+Δ?=3.7 kcal/ 4) C6H13O9P+ATP⟶C6H14O12P2+ADPΔ?=−14.2KJ/mol 5) −Rh(I)C2H6Δ?=−150.97 kJ/molC2H4+H2→Rh(I)C2H6ΔG=−150.97 kJ/mol 6) C4H4O5⟶C4H2O4+H2OΔ?=3.1 kJ/molJ 5 With pKa of tyrosine's side-chain is 10.1, pKa of its single-strand RNA virus oxidation Carbohydrate glycoside bond Glucose Those double bonds are at ω position of the αcarboxyl and α-amine are 2.2 and 9.1 perspectively. Calculate isoelectric point of tyrosine. i want answer with in one hourWrite down the reactions: D-Glucose + [Ag(NH3)2]+ →
- Suppose that the forward rate constant of a reaction is 10-4 and the reverse rate is 10-6. A. What is the equilibrium and deltaG of this reaction? B. Suppose you add a holoenzyme that enhances the reaction 100x. What is the rate constants, equilibrium constants and deltaG of the reaction?Carbonic anhydrase of erythrocytes (?r 30,00030,000) has one of the highest turnover numbers known. It catalyzes the reversible hydration of CO2.CO2. H2O+CO2↽−−⇀H2CO3H2O+CO2↽−−⇀H2CO3 This is an important process in the transport of CO2CO2 from the tissues to the lungs. If 33 ?g of pure carbonic anhydrase catalyzes the hydration of 0.10 g0.10 g of CO2CO2 in 1 min1 min at 37 °C37 °C at ?max, what is the turnover number (?cat) of carbonic anhydrase? Please provide only typed answer solution no handwritten solution needed allowedD-glucose and L-glucose would be expected to show differences in which of the followingp roperties? (Answer the items as dif erent or not different) a. Solubility in an achiral solvent b. Density c. Melting point d. Solubility in a chiral solvent e. Freezing point f. Reaction with ethanol (achiral compound) g. Reaction with (+)-lactic acid (chiral compound)
- Determine the branch points and reducing ends of amylopectin. A 0.5g sample of amylopectin was analyzed to determine the fraction of the total glucose residues that are branch points in the structure. The sample was methylated and then digested, yielding 50 μmol of 2,3-methylglucose and 0.4 μmol of 1,2,3,6-tetramethyl glucose. (MWglucose = 162 g/mol, minus H2O) What fraction of the total residues are branch points? How many reducing ends does the amylopectin have?One step in glycolysis is the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate. The direct reaction of fructose-6-phosphate with inorganic phosphate fructose-6-phosphate + Pi ⇌ fructose-1,6-bisphosphate + H₂O is very unfavorable, with ∆G'°= 16.3 kJ/mol and K'eq = 1.39×10⁻³. However, in glycolysis the reaction is coupled to ATP hydrolysis: fructose-6-phosphate + ATP ⇌ fructose-1,6-phosphate + ADP and the reaction if favorable. What is the equilibrium [fructose-1,6-bisphosphate]/[fructose-6-phosphate] ratio in the coupled reaction when [ATP] = [ADP]? For ATP hydrolysis ∆G'°= -30.5 kJ/mol at 25°C.please show all enantiomers and diastereomers as a part of the answer
- Calculatethemassofammoniagasthatisproducedif1.25gofammoniumcarbonatedecomposes completely.When some sugars dissolve in water they spontaneously undergo changes in optical rotation called mutarrotation. The Mutarrotation of D-glucopyranose is catalyzed by acid and bases. 2-Hydroxypyridine is a more effective catalyst than phenol and pyridine for this reaction because: a.Both oxygen and N in 2-hydroxypyridine act as bases increasing the rapid interconversion of sugar b. The OH of 2-hydroxypyridine serves as the base while the current N as the acid. c. 2-hydroxypyridine acts both as a base to remove the proton from the hydroxyl group in the hemiacetal and as an acid to provide a proton to the oxygen in the hemiacetal. d.Phenol and pyridine are very expensive.Iis D-glucose capable of forming mutarotation in solid state?