Based on their roles in the metabolic process, classify the following substances as an oxidizing agent, reducing agent or neither. a. FADH2 b. ATP c. NAD+ d. NADH e. GTP
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Based on their roles in the
a. FADH2
b. ATP
c. NAD+
d. NADH
e. GTP
Step by step
Solved in 4 steps
- Which of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATPIn the krebs cycle, if the enzyme used succinate dehydrogenase used NAD+ as the oxidizing agent, what impact would it have on the overall production of ATP in the call?Oxidative phosphorylation has three reaction products.(a) What is the energy-carrying product?(b) What are the other two products?
- All of the following increase enzymatic activity except a. an increase in temperature. b. an increase in pH. c. an increase in concentration of the substrate. d. an increase in concentration of the enzyme that catalyzes the reaction.Which of the following is incorrect about the ATP synthase mechanism? a. It explains how ATP is hydrolyzed into ADP and Pi b. At any moment, each catalytic site has a different conformation and binding affinity c. It is called the binding change mechanism d. It involves rotation-driven conformational changes that alter the affinity of each catalytic subunitThe energy stored in one molecule of NADH is used to synthesize how many molecules of ATP?
- What is the definition of a catabolic metabolic pathway? A. A pathway that releases energy and releases matter B. A pathway that stores energy and releases matter C. A pathway that releases energy and stores matter D. A pathway that stores energy and stores matterWhat distinguishes a linear metabolic pathway from a cyclic metabolic pathway? A. The last step of the pathway regenerates a reactant for the first step. B. The product inhibits an enzyme in the pathway, slowing or stopping the metabolic pathway. C. A linear pathway runs straight in one direction from reactant to product. D. Enzymes convert reactants into intermediates before separate enzymes convert intermediates into products.The oxidation of NADH is favorable because it involves: a) Separation of like charges. b) Conversion of non-polar to polar bonds. c) Increased resonance. d) Conversion of liquid to gas.
- What specific reaction cannot occur due to the presence of cyanide? A.Transfer of electrons to co-enzymes B.Inability to strip a carbon from pyruvate C.Transfer of electrons to and between carrier proteins D.Addition of a phosphate onto ADP to make ATPOxidative phosphorylation is the process by which the free energy obtained from the oxidation of metabolic fuels is used to generate ATP. (a).Which enzyme reaction controls oxidative phosphorylation? (b).Describe the way this enzyme controls oxidative phosphorylationWhich of the following statements about oxidation-reduction (redox) reactions is correct? A) The molecule that is oxidized loses electrons and is the oxidizing agent. B) The molecule that is reduced gains electrons and is the oxidizing agent. C) The molecule that is oxidized gains electrons and is the reducing agent.