Concept explainers
Interpretation: Identify the reaction in which a derivative of pyridoxine (vitamin
Concept introduction: Coenzymes are non-protein organic compounds that are used along with the enzymes and help to carry forward the reaction. Coenzymes cannot perform on their own alone.
Transamination reaction is a biochemical reaction that involves the transfer of an amino group. In transamination reaction exchange of an amino group from an
A biochemical reaction in which an
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Chapter 15 Solutions
Organic And Biological Chemistry
- QUESTION 6 What Citric Acid Cycle intermediate is derived from the following amino acid? HO Citrate Aconitate Isocitrate NH₂ H₂ H₂ -C -C -CH Alpha-Ketoglutarate OH |arrow_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_forward15.7) 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_forward
- Deamination reactions typically involve which of the following (select all that apply)? O glutamate dehydrogenase O pyridoxal phosphate O alpha-keto acid O almidine linkage/Schiff base O biotin O zymogensarrow_forwardAmino acid metabolism differs from that of carbohydrates and Fats in that * (a) There is no storage form for amino acids in the body (b) Amino acids cannot be used for energy production (c) Amino acids cannot be converted to acetyl CoA. (d) No correct response.arrow_forwardChoose the enzyme and cofactors involved in the reaction of oxaloacetate to phosphoenolpyruvate in gluconeogenesis. all K 00 OPO 200 00 C D E glyceraldehyde-3-phosphate dehydrogenase phosphoglycerate kinase pyruvate carboxylase phosphoenolpyruvate carboxykinase Done phosphoglycerate mutasearrow_forward
- What 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_forwardLIsten What is the FIRST product in the oxidation of fatty acids? O carbon dioxide a caroxylic acid an aldehyde a ketone P Type here to search prt sc delete home & %24 4 backspayce 6 3 Y Q / W / E KLE enter D G J pause M alt ctrl altarrow_forwardter 18 em 18.18 Part A What coenzyme picks up hydrogen when a carbon-oxygen double bond is formed? Express your answers as a chemical expression. ΑΣΦ Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remalning ide Feedback (१ ।arrow_forward
- 24. In the following diagram, the rate of an enzyme-catalyzed reaction is graphed on the y (or vertical) axis versus another quantity on the x axis. What quantity is graphed on the x axis? a. substrate concentration Ob. reaction pH Oc. reaction temperature Od. more than one response is correct e. no correct responsearrow_forward22. According to the lock-and-key theory of enzyme behavior, which of the following can be thought of as the key? a. enzyme b. substrate с. ароenzyme d. coenzyme e. no correct responsearrow_forwardIdentify the isotopes that would be found in each metabolite when [2-¹4C, ¹5N]glutamate undergoes oxidative degradation in the liver of a rat. urea succinate arginine citrulline ornithine aspartate 000000 Answer Bank 15 N 14C I COO- H-15N+- -14℃ H H _________ CH₂ COO- Labeled glutamatearrow_forward
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