this one represents an endothermic reac the left (beginning of the reaction) is the molecules; once again, kJ stands for ene The flat line on the right (reaction compl Since an endothermic reaction has a net energy from the surroundings), the proc reactants. Question: the eneray of the re
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- When reviewing a Michaelis-Menten Saturation Curve, at first the rate of the reaction is relatively constant, but the rate decreases as the substrate is used up and eventually reaches a plateau. Afte reaching this plateau, what would speed up the reaction again? Adding more substrate Adding heat Adding more enzyme Adding cofactorskcat is: a measure of the catalytic efficiency of the enzyme the rate constant for the reaction ES → E + P the rate constant for the reaction ES → E + S the [S] that half saturates the enzyme ½ VmaxA particular reaction has a ΔG‡ of 37.0 kJ mol-1. In the presence of an enzyme, the same reaction has a ΔG‡ of 5.70 kJ mol-1. Calculate the value of ΔΔG‡ in kJ mol-1.
- One enzyme-catalyzed reaction in a biochemical cycle has an equilibrium constant that is 10 times the equilibrium constant of a second reaction. If the standard Gibbs energy of the former reaction is -300 kJ/mol, what is the standard Gibbs energy of the second reaction? Ans: -294 kJ/molWith appropriate chemical structures, explain the mechanism (mode-of-action) of fluoroacetate poisoning? Example: Step 1: Fluoroacetate is converted to Product “A”. This reaction is catalyzed by Enzyme __________________________ Structures of fluoroacetate and the product “A”. Name of Enzyme. Step 2: Product “A” from Step 1 is converted to Product “B.” Catalyzed by enzyme 2. Structure of Product B and name of Enzyme 2. etc.Which of the following statements are true for BOTH the "transition state" and an "intermediate" of reaction? (This is a multi-select question, select all that apply.). Both are only observed in enzyme-catalyzed reactions. Both can be converted to product(s) or might decompose back to the reactant(s). Neither are part of the "net equation" for the reaction. Both contain covalent bonds are in the process of breaking and/or forming. Both are part of every chemical reaction. (i.e. the mechanisms of all chemical reactions, whether enzyme catalyzed or not, will have involve both a transition state and an intermediate).
- One of the best-selling light, or low-calorie, beers is 4.5% alcohol by volume and a 12-oz serving contains 110 Calories; remember 1 Calorie 1000 cal=1 kcal. To estimate the percentage of Calories that comes from the alcohol, consider the following questions. Y Part D How many Calories are released by the metabolism of ethanol, the reaction from Part A? Express your answer in calories to 2 significant figures. | ΑΣΦΑ 4 34 4 ? CalThe decomposition reaction of hydrogen peroxide (H₂O₂) proceeds as follows: 2 H₂0₂ → 2 H₂O + 0₂ 2 This reaction can occur without a catalyst, in the presence of a chemical catalyst (platinum) or of a biological catalyst (catalase). 1- From the values given in the table below, determine the catalytic power of each catalyst (ratio of the catalyzed rate of reaction to the uncatalyzed rate). 2- Which catalyst is the most efficient? Reaction conditions No catalyst Platinum Catalase Ea (kJ.mol¹) at 20 °C 75 49 8Use the Michaelis-Menten equation to complete the enzyme kinetic data set, when Km is known to have a value of 1 mmol/L. Upload your tabulated answers and show your calculations.
- Convert the following reactions into "Metabolic Engineering" notation: C6H1206 + 2 H20 → 2 C2H60 + 2 HCO3 + 2 H* b. ATP + glucose > glucose-6-phosphate + ADP 3.The typical Michaelis-Menten equation mathematically describes the overall rate of the reaction as V (this is because biologists don't like math). What does V actually mean? (write the definition of V in differential equation form). V= d( )/dt Reaction rate Substrate concentration V max ·½V TURKPlease use the graph below to explain the differences between the 2 enzymes whose activities are plotted (enzyme 1-blue and enzyme 2-red). Using appropriate biochemical terminology, how do these differences affect the activity and function of Enzyme 1 versus Enzyme 2? Reaction velocity (vo) Vmax Vmax 2 0 0 Enzyme 1 Enzyme 2 [Substrate]