What reaction is taking place in the above activity?
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Number 5 please
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- Which of the following comparisons or contrasts between endergonic and exergonic reactions is false? Endergonic reactions have a positive ?G and exergonic reactions have a negative ?G Endergonic reactions consume energy and exergonic reactions release energy Both endergonic and exergonic reactions require a small amount of energy to overcome an activation barrier Endergonic reactions take place slowly and exergonic reactions take place quickly.4. Consider the reaction: OH CH H3C O C H₂ a. What kind of reaction is being performed here? H3C C H₂ b. What enzyme performs this reaction? c. What cofactors, if any, are required for this reaction?9. Refer to the following equation: CO2 + H2O → HCO3 + H What enzyme catalyzes this reaction?
- 7. Which of the following statements is true about enzyme-catalyzed reactions? The reaction is faster than the same reaction in the absence of the enzyme b. The free energy change of the reaction is opposite from the reaction without the enzyme The reaction always goes in the direction toward chemical equilibrium d. Enzyme-catalyzed reactions require energy to activate the enzyme e. Enzyme-catalyzed reactions release more free energy than noncatalyzed reactions The following questions are based on the reaction A+B C+D Free Energy- A+B Progress of the Reaction C.D1. Which of the following terms best describes the progress of the reaction with respect to free energy change?7. Consider the reaction: H3CC-CH₂-C—S-ACP H3C OH b. What enzyme performs this reaction? C-CH₂-C—S-ACP a. What kind of reaction is being performed here? c. What cofactors, if any, are required for this reaction?
- 3. Consider the reaction: H3C-(CH₂) H H C—C—C—SCOA HH H₂C-(CH₂) a. What kind of reaction is being performed here? b. What enzyme performs this reaction? -C—C—C—SCOA H H c. What cofactors, if any, are required for this reaction?5. Consider the reaction: | OH H H₂C-(CH₂) C C—C—SCOA HH H₂C-(CH₂) a. What kind of reaction is being performed here? b. What enzyme performs this reaction? OHO C—C—C—SCOA c. What cofactors, if any, are required for this reaction? H3. What is the effect of temperature below and above the optimum temperature on reaction rate?
- 1. Answer the following questions, based on this reaction: S +E ES EP E +P A)What is the slow step of this reaction, and why is that step slow?4. What is the effect of heat on an enzyme? 5. What do you predict would happen in the reaction in cold temperatures? 6. What is the effect of pH on an enzyme? What is the best pH for an enzyme?5. Show how the Michaelis-Menten Equation was derived from this reaction. k1 E + S = ES k2 → E + P