Concept explainers
(a)
Interpretation:
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate succinate has to be determined.
Concept introduction:
Lipogenesis is the process employed for the synthesis of fatty acid. The starting precursor for the synthesis is acetyl CoA. The enzyme employed for the process is fatty acid synthase. It is a multienzyme complex that ties the reaction responsible for the synthesis of fatty acid. This process is the reverse of the degradation of fatty acid.
The Citric acid cycle is a series of biochemical reactions that use acetyl CoA (produced by oxidation of pyruvate) to produce carbon dioxide, NADH and FADH2 in a series of
(a)
Answer to Problem 14.106EP
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate succinate is butyrate.
Explanation of Solution
Succinic acid is a dicarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the citric acid cycle is a C4 derivative of dicarboxylic acid. The structure of succinic acid is,
Intermediates involved in the lipogenesis are derivatives of C4 molecule butyric acid. Butyric acid is a monocarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the lipogenesis is a C4 derivative of monocarboxylic acid. The structure of butyric acid is,
The structure of succinate is,
The structure of butyrate is,
Butyrate and succinate are saturated acid with four carbon atoms in each molecule. butyrate is a monoacid formed as intermediate in lipogenesis while succinate is a diacid formed as intermediate in the citric acid cycle. Therefore, the lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate succinate is butyrate.
(b)
Interpretation:
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate malate has to be determined.
Concept introduction:
Lipogenesis is the process employed for the synthesis of fatty acid. The starting precursor for the synthesis is acetyl CoA. The enzyme employed for the process is fatty acid synthase. It is a multienzyme complex that ties the reaction responsible for the synthesis of fatty acid. This process is the reverse of the degradation of fatty acid.
The Citric acid cycle is a series of biochemical reactions that use acetyl CoA (produced by oxidation of pyruvate) to produce carbon dioxide, NADH and FADH2 in a series of redox reactions.
Intermediates involved in the lipogenesis are derivative of C4 molecule butyric acid. Butyric acid is a monocarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the lipogenesis is a C4 derivative of monocarboxylic acid. The structure of butyric acid is,
Succinic acid is a dicarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the citric acid cycle is a
(b)
Answer to Problem 14.106EP
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate malate is β-hydroxybutyrate.
Explanation of Solution
Malate is the intermediate in the citric acid cycle. The structure of malate is,
β-Hydroxybutyrate is the intermediate in the lipogenesis. The structure of β-hydroxybutyrate is,
Malate and β-hydroxybutyrate are the hydroxy derivatives of saturated acid with four carbon atoms in each molecule. Malate is a hydroxy derivative of dicarboxylic acid that is formed as the intermediate in the citric acid cycle whileβ-hydroxybutyrate is a hydroxy derivative of monocarboxylic acid that is formed as the intermediate in the lipogenesis. The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate malate is β-hydroxybutyrate.
(c)
Interpretation:
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate oxaloacetate has to be determined.
Concept introduction:
Lipogenesis is the process employed for the synthesis of fatty acid. The starting precursor for the synthesis is acetyl CoA. The enzyme employed for the process is fatty acid synthase. It is a multienzyme complex that ties the reaction responsible for the synthesis of fatty acid. This process is the reverse of the degradation of fatty acid.
The Citric acid cycle is a series of biochemical reactions that use acetyl CoA (produced by oxidation of pyruvate) to produce carbon dioxide, NADH and FADH2 in a series of redox reactions.
Intermediates involved in the lipogenesis are derivatives of C4 molecule butyric acid. Butyric acid is a monocarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the lipogenesis is a C4 derivative of monocarboxylic acid. The structure of butyric acid is,
Succinic acid is a dicarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the citric acid cycle is a C4 derivative of dicarboxylic acid. The structure of succinic acid is,
(c)
Answer to Problem 14.106EP
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate oxaloacetate is acetoacetate.
Explanation of Solution
Oxaloacetate is the intermediate in the citric acid cycle. The structure of oxaloacetate is,
Acetoacetate is the intermediate in the lipogenesis. The structure of acetoacetate is,
Oxaloacetate and acetoacetate are the keto derivatives of saturated acid with four carbon atoms in each molecule. Oxaloacetate is a keto derivative of dicarboxylic acid that is formed as the intermediate in the citric acid cycle while acetoacetate is a keto derivative of monocarboxylic acid that is formed as the intermediate in the lipogenesis. Therefore, the lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate oxaloacetate is acetoacetate.
(d)
Interpretation:
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate fumarate has to be determined.
Concept introduction:
Lipogenesis is the process employed for the synthesis of fatty acid. The starting precursor for the synthesis is acetyl CoA. The enzyme employed for the process is fatty acid synthase. It is a multienzyme complex that ties the reaction responsible for the synthesis of fatty acid. This process is the reverse of the degradation of fatty acid.
The Citric acid cycle is a series of biochemical reactions that use acetyl CoA (produced by oxidation of pyruvate) to produce carbon dioxide, NADH and FADH2 in a series of redox reactions.
Intermediates involved in the lipogenesis are derivatives of C4 molecule butyric acid. Butyric acid is a monocarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the lipogenesis is a C4 derivative of monocarboxylic acid. The structure of butyric acid is,
Succinic acid is a dicarboxylic acid and has 4 carbon atoms. Thus, each intermediate of the citric acid cycle is a C4 derivative of dicarboxylic acid. The structure of succinic acid is,
(d)
Answer to Problem 14.106EP
The lipogenesis C4-ACP monoacid intermediate counterpart for the citric acid cycle C4-diacid intermediate fumarate is crotonate.
Explanation of Solution
Fumarate is the intermediate in the citric acid cycle. The structure of fumarate is,
Crotonate is the intermediate in the lipogenesis. The structure of crotonate is,
Fumarate and crotonate are the unsaturated derivatives of the
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Chapter 14 Solutions
Organic And Biological Chemistry
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- Predict the major products of this organic reaction. Be sure you use dash and wedge bonds to show stereochemistry where it's important. + ☑ OH 1. TsCl, py .... 文 P 2. t-BuO K Click and drag to start drawing a structure.arrow_forwardConsider this organic reaction: ( Draw the major products of the reaction in the drawing area below. If there won't be any major products, because this reaction won't happen at a significant rate, check the box under the drawing area instead. Click and drag to start drawing a structure. Х : а ค 1arrow_forwardIn the drawing area below, draw the major products of this organic reaction: If there are no major products, because nothing much will happen to the reactant under these reaction conditions, check the box under the drawing area instead. 1. NaH 2. CH3Br ? Click and drag to start drawing a structure. No reaction. : ☐ Narrow_forward
- + Predict the major product of the following reaction. : ☐ + ☑ ค OH H₂SO4 Click and drag to start drawing a structure.arrow_forwardConsider this organic reaction: ... OH CI Draw the major products of the reaction in the drawing area below. If there won't be any major products, because this reaction won't happen at a significant rate, check the box under the drawing area instead. ☐ No Reaction. Click and drag to start drawing a structure. : аarrow_forwardConsider the following reactants: Br Would elimination take place at a significant rate between these reactants? Note for advanced students: by significant, we mean that the rate of elimination would be greater than the rate of competing substitution reactions. yes O no If you said elimination would take place, draw the major products in the upper drawing area. If you said elimination would take place, also draw the complete mechanism for one of the major products in the lower drawing area. If there is more than one major product, you may draw the mechanism that leads to any of them. Major Products:arrow_forward
- Draw one product of an elimination reaction between the molecules below. Note: There may be several correct answers. You only need to draw one of them. You do not need to draw any of the side products of the reaction. OH + ! : ☐ + Х Click and drag to start drawing a structure.arrow_forwardFind one pertinent analytical procedure for each of following questions relating to food safety analysis. Question 1: The presence of lead, mercury and cadmium in canned tuna Question 2: Correct use of food labellingarrow_forwardFormulate TWO key questions that are are specifically in relation to food safety. In addition to this, convert these questions into a requirement for chemical analysis.arrow_forward
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