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Concept explainers
Interpretation: To determine the product formed when the pentose phosphate pathway is run to its completion.
Concept introduction: The pentose phosphate pathway is defined as the
Pentose phosphate pathway is a two-stage metabolic pathway. The first stage of phosphate pentose pathway is the oxidative stage and the second stage is a non-oxidative stage.
In the glycolysis metabolic pathway, a glucose molecule is converted to two pyruvate molecules. ATP molecules and NADH-reduced coenzymes are produced along with pyruvate.
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Chapter 24 Solutions
Bundle: General, Organic, and Biological Chemistry, 7th + OWLv2 Quick Prep for General Chemistry, 4 terms (24 months) Printed Access Card
- 15.7) Determine whether each of the following changes is an oxidation or reduction. a) gain of electrons reduction b) loss of electrons oxidation c) Fe²+ to Fe³+ oxidation d) NADH to NAD+ oxidation lost bond to hydrogen atom e) FAD to FADH₂ reduction gained bond to hydrogen atom f) CH4 to CO₂ oxidation gained bonds to oxygen atoms and lost bonds to hydrogen atoms g) NAD+ to NADH reduction gained bond to hydrogen atom EXPLANATION: A useful mnemonic to differentiate oxidation and reduction is the term "OILRIG" (Oxidation is the Loss of electrons; Reduction is the Gain of electrons). It is possible to identify redox reactions for inorganic compounds by inspecting the chemical equation and determining if electrons are transferred from one species to another. If the charge of an atom or ion in a reactant was increased (toward positive) in the conversion of reactants to products, an oxidation occurred. If the charge of an atom or ion in a reactant was decreased (toward negative) in the…arrow_forwardWhat are the products from one turn of the citric acid cycle? Check all that apply. O CoA OGTP (ATP) O FADH₂ □ CO2 OGDP(ADP) O NAD+ OFAD O NADH + H+ Submit Request Answer Karrow_forwardWhat are the typical fates for fatty acids in the liver (select all that apply)? O They are oxidized and converted into ketone bodies. O They are oxidized to yield acetyl-CoA and NADPH. O They are used to synthesize triacylglycerol. O They are oxidized and converted into glucose. O They are oxidized and used in the synthesis of cholesterol.arrow_forward
- Question 28 CHOH CHOH A CHOH CHOH 1 CH2 CHOH OH OH OH CH 3 CHOH OH OH он CH он он B 2 OH CH Which lettered subunit is the reducing end? O A В There is more than one reducing end on this sugar structurearrow_forwardThe complete hydrolysis of a protein yields what as products? a. amino acids b. dipeptides c. monosaccharides d. glucose molecules e. no correct response givenarrow_forwardCitric Acid Cycle questions a) Since carbons arrive from glucose via acetyl CoA, what carbons from glucose are in Acetyl CoA? Number them in Acetyl CoA using the original number from glucose. b) Are any carbons from acetyl CoA removed as CO2 during the first "turn" of the citric acid cycle? c) What glucose carbon(s) is (are) the first to be removed as CO2 in the citric acid cycle?arrow_forward
- Question 41 Which of the following compounds is a ketone body? O a) acetoacetate b) oxaloacetate c) acetyl CoA d) more than one correct responsearrow_forwardIdentify the metabolic transformation that has occurred NH2 Selected Answer: B. Oxidative deamination Answers: A. Oxidative N-dealkylation B. Oxidative deamination C. N-oxidationarrow_forward50) Which coenzyme is the electron acceptor in the following reaction? HH II -C- C- A) NADH - C = C- 1 B) NAD+ C) FADH2 D) FMN E) FADarrow_forward
- 31) Which coenzyme is the electron acceptor in the following reaction? O || - C- OH - -C- H A) FAD B) NAD+ 32) In the chemiosmotic model, protons circulate through a protein complex called A) Complex III. B) ATP synthase. C) FMN. C) NADH D) CoQ. E) Cyt c. D) FADH2 E) FMNarrow_forwardThe reaction converting glycerol to glycerol-3-phosphate (energetically unfavorable) can be coupled with the conversion of ATP to ADP (energetically favorable): → glycerol-3-phosphate + H20 ADP + HPO42- + H+ glycerol + HPO4²- ATP + H20 Part A What are the net products of the coupled reactions above? Check all that apply. • View Available Hint(s) glycerol НРО 2- glycerol-3-phosphate H2O ATP ADP H+arrow_forwardWhat number of coenzyme A molecules are required in the complete metabolism of CH3(CH2)16CO₂H? A) 1 B) 2 C) 9 D) 16 E) 18arrow_forward
- Organic And Biological ChemistryChemistryISBN:9781305081079Author:STOKER, H. Stephen (howard Stephen)Publisher:Cengage Learning,General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage Learning
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