What is / are the advantages of having a step by step breakdown pathway? Select all the correct answers. Select one or more: a.Creates multiple point of regulation b.controlled capture of released energy c.multiple entry points for breakdown substrates d.generates intermediates that can be used in anabolic metabolism
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What is / are the advantages of having a step by step breakdown pathway? Select all the correct answers.
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- 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 figure above represents changes in different types of metabolic pathways (y-axis) as energy charge in a cell (x-axis) changes. What is the best description of the types of reactions shown by the green line labeled "A"? a) Catabolic, energy-consuming pathways b) Anabolic, energy-consuming pathways c) Anabolic, energy-producing pathways d) Catabolic, energy-producing pathwaysWhich of the following statements concerning the location of the metabolic pathways is correct? a. All reactions of the glycolysis take place in the mitochondria. b. All reactions of the TCA cycle take place in the mitochondria. c. Some reactions of the TCA cycle take place in the cytosol, and some in mitochondria. d. Some reactions of the glycolysis take place in the cytosol, and some in mitochondria.
- Which of the following statements is a lie?Select one:a.Specific enzymes in the electron transport chain are unaffected by feedback inhibition.b.Elevated levels of ADP will increase pathway activity in the electron transport chain.c.The rate of transport of electrons through the electron transport chain is regulated by feedback inhibition.Which of the following statements is CORRECT regarding the pentose phosphate pathway? a. It has two reactions that produce NADPH in its oxidative phase. b. The pentose phosphate pathway is also called hexose diphosphate shunt. c. The pathway generates FADH2. d. NAPH is produced in the non-oxidative phase of the pathway.Which of the following statements concerning metabolic pathways is INCORRECT? a. Metabolic pathways always involve a series of consecutive reactions b. All cyclic metabolic pathways regenerate the starting material for the pathway c. All linear metabolic pathways generate a final product D. No correct response
- Which statement is true regarding an endergonic reaction/pathway? Group of answer choices They have a positive delta G. They require outside energy such as solar energy (e.g., photosynthesis). They are involved in cellular work (e.g., biosynthesis). All previous answers None of these answersWhich of the following factors does not pay for the generation of NADH and ATP during steps 6 and 7 of glycolysis? a Solvation b Oxidation of an alcohol group to an aldehyde group c Enthalpy d Delocailization of electrons/ResonanceConsider the function of the cofactor FAD. Which of the following makes it unique (different) from NAD+? Select all that apply. a. Can facilitate single electron transfers b. Is associated with an enzyme and not a mobile electron carrier c. Serves to facilitate redox reactions d. s an electron carrier in the TCA cycle
- Which of the following statements concerning metabolism and metabolic reactions is CORRECT? A. Anabolism and catabolism are two terms with the same meaning B. Some, but not all, metabolic reactions involve catabolism C. Energy is a by-product of all metabolic reactions D. No correct responseWhich of the following is true about cell potential? a. It is the sum of the oxidation and reduction potentials b. It is the average of the oxidation and reduction potentials c. It is the reduction potential multiplied by the oxidation potential. d. It is the difference between the reduction and oxidation potentials.Which of the following statements about the pentose phosphate pathway (PPP) is true? (A) The purpose of the pentose phosphate pathway is to produce NADH for use in anabolic pathways and ribose 6-phosphate for nucleotide synthesis.(B) The oxidative arm of the PPP produces (2) NADPH per glucose 6-phosphate that enters the pathway. (C) Phosphopentose isomerase converts the ribose 5-phosphate made in the oxidative arm of the PPP into ribulose 5-phosphate that is used to form the ribose sugar of nucleotides.(D) The non-oxidative arm of the PPP interconverts between ribose 5-phosphate and a variety of intermediates of b-oxidation. (E) One of the functions of the PPP is to provide NADPH that inhibits glutathione reductase so that it cannot oxidatively damage RBCs.