In which of the following reactions is the reactant oxidized? a. ATP → AMP b. NAD+ → NADH c. NADH → NAD+ d. acetaldehyde → ethanol
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In which of the following reactions is the reactant oxidized?
a. ATP → AMP
b. NAD+ → NADH
c. NADH → NAD+
d. acetaldehyde → ethanol
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- The enzyme glutamine synthetase catalyzes the following reaction: glutamate + ATP + NH3 → glutamine + ADP + phosphate Which of the following statements about this reaction is correct? he reaction is only exergonic if enzyme is added b. The reaction is endergonic whether or not enzyme is added c. The reaction is exergonic whether or not enzyme is added d. The rate of oxygen production will be unaffected e. The reaction is only endergonic if enzyme is addedAnswer the following question using the reaction coordinàte diagram shown below. 280 240 200 160- 120- 80 40 Time How would the addition of a catalyst affect the reaction? A. The rate of reaction will increase because potential energy of the reactants is increased. B. Catalysts have no effect on reactions. O C. The rate of reaction will decrease because the activation energy is lowered. D. The rate of reaction will increase because the activation energy is decreased. Chp Co Heat content (H) kilojoulesWhich of the following compounds would you expect to liberate the least free energy when hydrolyzed? Explain. a. ATP b. ADP c. AMP d. phosphoenolpyruvate e. phosphocreatine
- Identify the statements that are TRUE regarding Catabolic reactions. SELECT ALL THAT APPLY A. These reactions may also be called decomposition reactions B. These reactions create smaller products from larger reactants C. These reactions involve the formation of new bonds. D. These reactions typically release energy.Which of the followingdescribe superior properties of enzymes (biological catalysts) over traditional chemical catalysts? a. They are mostly and generally operative under mild temperature, pressure, and pH conditions b. They are regulated only by substrate concentration c. They do not effect the reaction equilibrium, but lower the reaction's activation energy d. They are recycled at the end of the reaction Choose all that applyWhich of the following is true for all exergonic reactions? Group of answer choices A. The reactions are nonspontaneous B. A net input of energy from the surroundings is required for the reactions to proceed C. Some reactants will be converted to products D. The products have more total energy than the reactants E. The reaction proceeds with a net release of free energy
- Match each reaction description to the type of enzyme that catalyzes the reaction. 1. Oxidation and reduction of compounds 2. Transfers a functional group from one compound to another compound 3. Utilizes water to break bonds within a compound 4. Addition/removal of a group of atoms and bonds within a compound 5. Forms a bond between two compounds A. Ligase B. Transferase C. Hydrolase D. Oxidoreductase E. Isomerase F. LyaseDetermine the direction that each of the reactions will progress. Assume that the reactants and products are present in equimolar amounts. The standard free energy of hydrolysis of ATP is - 30.5 kJ/mol. fructose + ATP fructose 6-phosphate + ADP The standard free energy of hydrolysis for fructose 6-phosphate is -15.9 kJ/mol. 3-phosphoglycerate + ATP 1,3-bisphosphoglycerate + ADP The standard free energy of hydrolysis for 1,3-bisphosphoglycerate is -49.3 kJ/mol. creatine + ATP creatine phosphate + ADP The standard free energy of hydrolysis for creatine phosphate is -43.0 kJ/mol.Define the following terms:a. FADb. hydride ionc. energyd. electron transport pathwaye. coenzyme
- Define the following terms: a. hydride ion b. oxidation reaction c. energy d. FAD e. electron transport pathwayIdentify the statements that are TRUE regarding Anabolic reactions. SELECT ALL THAT APPLY A. These reactions may also be called recomposition reactions B. These reactions involve the formation of new bonds C. These reactions build larger products from smaller reactants D. These reactions typically release energy.All are characteristics of catabolic reactions except a. have energy poor products b. capture energy in the form of ATP c. require coenzyme like NAD+ d. yield a greater number of products compared to anabolic reactions