Choose A=if statement 1 and statement 2 are both true; B=if statement 1 is true but statement 2 is false; C=if statement 1 is false but statement 2 is true; D=if statement 1 and statement 2 are both false 1. In beta oxidation, oxidation of the hydroxyl group generates aldehydes 2. Paul Boyer was the first scientist to describe the catalytic mechanism of ATP synthase Select the correct response: C D A
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- Based on your knowledge of the structure of NAD+ and an assumption that coenzyme dissociation is the rate limiting step of the alcohol dehydrogenase mechanism, hypothesize why a N249W mutation at the coenzyme binding site would increase the rate of catalysis.The image below shows part of a key catabolic pathway. If an individual had a deficiency for the enzyme required at point "X", would they still be able to produce a high rate of ATP during very strenuous exercise? ATP in Glucose Prep. phase Payoff phase ļ - MacRoc Pyruvate →→→ Anaerobic fate of pyruvate ATP out ▬OD OF 1- HP 01 -- Select one: O a. No, because NAD* will not be regenerated by lactate dehydrogenase. The reduction of NAD+ to NADH is a required step during the payoff phase of glycolysis. O b. No, because lactate dehydrogenase is required for the continued recycling of NAD+ to NADH, thus allowing glycolysis to continue. Oc. Yes, because pyruvate dehydrogenase is necessary to produce acetyl-CoA, which under these conditions will feed into the citric acid cycle. Od. Yes, because this enzyme is responsible for the substrate-level phosphorylation necessary to maintain the ATP input for the preparatory phase of glycolysis. DE Report question issue Notes + 14:12 ( CECyanide poisoning inhibits aerobic respiration at cytochrome c oxidase. Which of the following is NOT a result of cyanide poisoning at the cellular level? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d e Oxygen is reduced to water The rate of glycolysis increases Cells are forced to switch to anaerobic respiration The electron transport chain is not completed None of the above Answered K Open in Reading View ✔Posubmit
- Indicate at what step in the glycolysis pathway each of the following events occur 1. First phosphorylation of ADP occurs 2. First “energy rich” compound is produced 3. Second “energy rich” compound undergoes reaction 4. First isomerization reaction occurs 5. Second formation of ATP occurs 6. Second “energy rich” compound is produced 7. ATP is converted to ADP for the second time 8. A dehydration reaction occursNADH dehydrogenase 3 gene codes for a protein in the electron transport chain. Suppose that this protein is exposed to extremely high heat. What is likely to happen to this protein and why? (Be specific as to what will happen and why it will happen. Don't just say it will stop working; explain why.)Following complete oxidation of the acetyl CoA molecules in the TCA cycle and electron transport from FADH2 and NADH to oxygen, how many ATP will be produced from stearate? Express your answer as an integer. ΠΫΠΙ ΑΣΦ Submit Previous Answers Request Answer ? ATP molecules
- Give all the reactions that will produce ATP either by substrate-level phosphorylation (SLP) or by oxidative phosphorylation (OP). If the given require a shuttle system, please indicate both MA shuttle and GP shuttle and give the ATP produced. Given: glucose 6-phosphate to 2succinly CoABriefly explain the mechanism by which ATP synthase produces ATP.List three locations in which ATP synthases are found.Which of the following best describes the number of NAD+ that get reduced in the matrix reactions: 10 NAD+ REDUCED 8 NAD+ REDUCED 6 NAD+ REDUCED 4 NAD+ REDUCED 2 NAD+ REDUCED NAD+ do not get reduced in the matrix, they only get oxidized When the acetyl-group from pyruvate enters the Krebs Cycle, CO2 loss is coupled with: oxidation of NADH hydrolysis pf water. condensation of water. phosphorylation. reduction of NAD+ Which of the following would cause a drop in free energy during the oxidation of glucose? the oxidation of G3P and reduction of FAD the oxidation of pyruvate and reduction of CO2 the reduction of pyruvate and oxidation of G3P the oxidation of malate and the reduction of NAD+ the oxidation of NADH and the oxidation of protein complex I
- Which of the following statements about the Krebs Cycle is true? There may be more than one answer. Select any and all that apply. It is a linear 10 step pathway It generates ATP molecules directly through oxidative phosphorylation It produces two molecules of carbon dioxide It begins with acetyl coenzyme A and oxaloacetate combining It converts glucose to carbon dioxide It is a point of entry for the products of amino acid catabolism to be converted into energy It is an anaerobic process that produces molecules for an aerobic process that comes later The first step is the breakdown of glucose into glyceraldehyde-3-phosphateWhich of the following statements is right: Reduced NAD from Beta-oxidation is used to produce ATP in: 1. Electron Chain Transport and oxidizing phosphate binding 2. Glycolysis and oxidizing phosphate binding 3. Transamination 4. Citric Acid Cycle and oxidizing phospahe binding 5. None above are rightCalculate the ATP yield when glucose is catabolized completely to six CO2 by a eukaryotic microbe. How does this value compare to the ATP yield observed for a bacterium? Suppose a bacterium used the Entner-Doudoroff pathway to degrade glucose to pyruvate and then completed the catabolism of glucose via the TCA cycle. How would this affect the total maximum ATP yield? Explain your reasoning.