A biochemical reaction will proceed in the direction as written if: Group of answer choices H > 0. G = zero. H G > 0. G
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- Give a complete and well descriptive definition of the following:1.1 Enzyme catalysis1.2 Co-enzyme1.3 Negative heterotropic co-cooperativitWhich of the following statements regarding size exclusion chromatography is false? During size exclusion chromatography, the largest compounds elute out first. The elution order of fully excluded compounds follows an inverse diagonal relationship with respect to elution volume. During size exclusion chromatography, the smallest compounds elute out at the end. The elution order of partially included compounds follows an inverse diagonal relationship with respect to elution volume. While performing enzyme kinetics, you mixed 100 μL of Carb 1 sample to 2.9 mL bacteria, and got a reading of [Abs/min] equal to 0.5. Calculate the total activity in your carb 1 sample, if the total volume is 15 mL and the sample was undiluted. 7500 activity units 750 activity units 7.5 activity units 75 activity unitsConsider an enzyme (P) that gets activated by forming a dimer (P2): 2P = P2 At 25 °C, we have AH- 19 kJ/mol and AS-65 kJ/mol, for this dimerization reaction. Identify the correct statement. O The enzyme is activated when kept at temp = +37 °C. O The enzyme is activated at all temperatures. O The enzyme is activated when kept in the fridge with temp = 4 "C. O The enzyme can never be activated, no matter what the temperature is. O None of the above statements is true.
- Compounds I, II, and III are in the following biochemical pathway: precursor compound I enzyme A enzyme B compound II ► compound III enzyme Mutation a inactivates enzyme A, mutation b inactivates enzyme B, and mutation c inactivates enzyme C. Mutants, each having one of these defects, were tested on minimal medium to which compound I, II, or III was added. Fill in the results expected of these tests by placing a plus sign (+) for growth or a minus sign (-) for no growth in the table below. Minimal medium to which is added Strain with mutation Compound I Compound II Compound IIIThe line does not cross the X-axis when the Y-variable is equal to zero 1점 because * Why does this line not start exactly at (0,0)? Rate of Reaction Enzyme Concentration the low concentration of enzyme is still enough to catalyze some reaction some small amount of product can be formed even without the enzyme present some small amount of product can be formed even without any product the pH was changedAn enzymes catalyzed reaction is studied in the presence and absence of an inhibitor. The following data was obtained in the image provided. Plot 1/[S] as abscissa and 1/V as ordinate for both catalyzed reactions and reaction with inhibitor. Use the same graph for both plots Calculate the following: Km of enzyme in the reaction without inhibitor Km' of the enzyme in the reation with inhibitor Vmax of the uninhibited reaction Vmax of the inhibited reaction What kind of inhibitor was added to the enzyme catalyzed reaction? Explain your answer in terms of changes in Km and Vmax.
- CH₂OH 애 H2COPO 2- ATP OH 1 애 애 어 애 The class of the enzyme catalyzing the reaction shown in this figure is a(n) Choose the one best answer. ligase 매 +ADP 매One 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/molIn the scheme below which represents the mechanism of action for a large number of enzymes: A+B⟺AB⟶C The steady state approximation is reached when: d[AB]/dt≈0 k2≫k1 k−1≫k1 k−1=k1
- Consider the following free energy diagram for an uncatalyzed and enzyme-catalyzed reaction. Select all the statements that are true. Without enzyme With enzyme A+B Time AB O a. The rate of the enzyme catalyzed reaction is faster than the uncatalyzed reaction O b. The change in free energy for the reaction is greater in the catalyzed reaction, compared to the uncatalyzed reaction O c. The enzyme stabilizes the transition state for the reaction Od. The reaction is exergonic е. The reaction is now spontaneous due to the addition of enzyme Released EnergyAnother of the six enzyme classes is which of the following? enzymes catalyze. These classes include the transferases, isomerases, and ligases. All enzymes can be categorized in one of six major classes based on the reactions the proteases kinases hydrolases phosphatases endonucleases An important factor that influences the rate of a biochemical reaction is the temperature. Raising the temperature of a biochemical reaction has which effect upon the kinetics of the reaction? a) b) c) d) e) increases the free energy of the reactants increases the free energy of the transition state decreases the free energy of the reactants decreases the free energy of the transition state decreases the free energy of the productsIn covalent catalysis, either nucleophilic catalysis or electrophilic catalysis occurs. Do you agree or disagree with this statement? Explain.