Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 19, Problem 21P
Complete oxidation of a 16-carbon fatty acid can yield 129 molecules of ATP Study Figure 19.2 and determine how many ATP molecules would be generated if a 16-carbon fatly acid were
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Chapter 19 Solutions
Biochemistry
Ch. 19 - Radiolabeling with 14C-Glutamate Describe the...Ch. 19 - Prob. 2PCh. 19 - Assessing the Effect of Active-Site...Ch. 19 - Understanding the Mechanism of the -Ketoglutarate...Ch. 19 - Understanding the Action of Fluoroacetate on the...Ch. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - Prob. 9PCh. 19 - Prob. 10P
Ch. 19 - Prob. 11PCh. 19 - Prob. 12PCh. 19 - Prob. 13PCh. 19 - Prob. 14PCh. 19 - Prob. 15PCh. 19 - Prob. 16PCh. 19 - Understanding the Oxidation of Glucose and Its...Ch. 19 - Prob. 18PCh. 19 - Prob. 19PCh. 19 - Prob. 20PCh. 19 - Complete oxidation of a 16-carbon fatty acid can...Ch. 19 - Study Figure 19.18 and decide which of the...Ch. 19 - Prob. 23P
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- Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is inhibited by· NIADH. Pyruvate dehydrogenase is inhibited by AΤΡ. Citrate synthase is inhibited by NADH. Succinyl-CoA activates citrate synthase. Acetyl-CoA activates pyruvate carboxylase.arrow_forwardCalculate the number of ATPS generated from the metabolic oxi- dation of the four carbons of acetoacetyl-CoA to CO,. Now consider the homolog derived from oxidation of an odd-numbered carbon chain, namely propionoacetyl-CoA. Calculate the net ATP yield from oxidation of the five carbons of this compound to CO,.arrow_forwardCalculate the number of ATP formed from NADH and FADH2. The calculation should be based on the total number of protons and c-subunits of 2-Acetyl-CoA that has 15 subunits.arrow_forward
- Calculate the net ATP yield from the complete processing of a saturated fatty acid containing 17 carbons. Consider the β-oxidation steps, processing of acetyl-CoA through the citric acid cycle, and electron transport.arrow_forwardActivation of the fatty acid (converting it to fatty acyl-SCoA) requires the expenditure of 2 ATPs. Use your answers from parts B and C to calculate the total number of ATPs generated from the metabolism of a saturated fatty acid with 18 carbon atoms including both the citric acid cycle and the ββbeta-oxidation pathway as well as the initial ATP required to produce the acyl-SCoA molecule that starts the process. Express your answer as an integer.arrow_forwardFatty acids are activated for breakdown through the action of acyl-CoA synthestase. Which of the following statements regarding acyl-CoA synthetase is not true? ● It catalyzes the addition of CoA to the fatty acid One of the products of the reaction is ADP. O The free energy change for the reaction catalyzed by this reaction is close to 0 kJ/mol, but the subsequent hydrolysis of pyrophosphate drives the reaction forward. O The reaction results in the formation of a thioester bond.arrow_forward
- upon digestion of starch maltose, one of its degradation products is further hydrolyzed into its monosaccharide components prior to intestinal absorption and entry into the glycolysis. calculate the number of ATP molecules produced from the digestion and complete oxidation of 1 molecule of maltose considering the glycerol-3-phosphate shuttle. question: 5. what is the total number of acetyl CoA molecules entering the citric acid cyclearrow_forwardTake a look at the citric acid cycle. Look at the entry of acetyl CoA as the first step and oxaloacetate as the final. Determine each absorbed amino acid's probable point of entrance in the cycle and indicate the stoichiometric quantity of the citric acid cycle intermediate or starting material generated per oligopeptide molecule. If an amino acid has many entrance points into the cycle, you may choose any of them as long as stoichiometric connections are maintained.arrow_forwardPart A Identify each of the following metabolic pathways. Drag the appropriate labels to their respective targets. Reset Help the conversion of fatty acids to 2-carbon units of acetyl CoA ketogenesis the conversion of an amino acid to an a-keto transamination acid the combination of 2-carbon units of acetyl COA to form fatty acids oxidative deamination the removal of an amino group as NH4+ from B oxidation glutamate to yield a-ketoglutarate lipogenesis the production of ketone bodiesarrow_forward
- The citric acid cycle is shown. The methyl carbon in acetyl CoA is labeled with C14C14 (shown in red). Identify which of the carbons in each intermediate will be labeled in the first round of the cycle by selecting the indicated carbon(s). Each question has multiple options, answering with only one option is incorrect. Which carbon(s) in α‑ketoglutarate will contain C14? 1 2 3 4 5 Which carbon(s) in succinyl‑CoA will contain C14? 1 2 3 4 Which carbon(s) in succinate will contain C14? 1 2 3 4 Which carbon(s) in fumarate will contain C14? 1 2 3 4 Which carbon(s) in malate will contain C14? 1 2 3 4 Which carbon(s) in oxaloacetate will contain C14? 1 2 3 4arrow_forwardThe conversion of pyruvate to Acetyl-CoA involves an oxidative decarboxylation. Correct the path of the electrons through this mechanism: Pyruvate -> NAD -> lipoamide -> FAD -> TPParrow_forwardFatty acid biosynthesis begins with the condensation of a two-carbon acetyl residue from acetyl-COA and oxaloacetate, while oxidation leads to the release of two carbon units, acetyl-CoA and fatty acyl-CoA. However, these two processes are not simple reversal. Compare and contrast these two pathways.arrow_forward
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