Domanda del libro di testo
Draw the condensed structural formula for urea.
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Ch.18 Metabolic Pathways and ATP Production
Timberlake13th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9780134421353
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TOC.tableOfContents
- Ch.1 Chemistry in Our Lives11
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy54
- Ch.4 Atoms and Elements51
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions41
- Ch.8 Gases29
- Ch.9 Solutions51
- Ch.10 Acids and Bases and Equilibrium65
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons78
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones83
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides90
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis83
- Ch.18 Metabolic Pathways and ATP Production67
Timberlake13th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9780134421353Non è quello che usi tu?Cambia libro di testo
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Timberlake 13th EditionCh.18 Metabolic Pathways and ATP ProductionProblema 70b
Timberlake 13th EditionCh.18 Metabolic Pathways and ATP ProductionProblema 70bCapitolo 18, Problema 70b
What metabolic substrate(s) are produced from the carbon atoms of each of the following amino acids?
b. asparagine
Guida verificata passo dopo passo1
Understand the structure of asparagine: Asparagine is an amino acid with the chemical formula C₄H₈N₂O₃. It contains a carboxyl group (-COOH), an amino group (-NH₂), and a side chain with an amide group (-CONH₂).
Recognize the metabolic pathway involved: Asparagine is converted into aspartate through hydrolysis of its amide group. This reaction is catalyzed by the enzyme asparaginase, which removes the amide group and replaces it with a carboxyl group.
Determine the fate of aspartate: Aspartate can enter the citric acid cycle (also known as the Krebs cycle) after being converted into oxaloacetate. This occurs through transamination, where the amino group of aspartate is transferred to another molecule, typically α-ketoglutarate.
Identify the metabolic substrates produced: The carbon atoms of asparagine ultimately contribute to the formation of oxaloacetate, which is an intermediate in the citric acid cycle. Oxaloacetate can be further metabolized to produce energy (ATP) or serve as a precursor for gluconeogenesis.
Summarize the process: The carbon atoms of asparagine are metabolized into oxaloacetate via aspartate, which can then participate in energy production or glucose synthesis depending on the cell's metabolic needs.
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Amino Acid Metabolism
Amino acid metabolism involves the biochemical processes that break down amino acids for energy or convert them into other compounds. Each amino acid can be transformed into various metabolic substrates, depending on its structure and the body's needs. Understanding these pathways is crucial for determining the specific substrates produced from amino acids like asparagine.
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Percorso guidato
3:03
Amino Acid Catabolism: Amino Group Example 2
Asparagine Catabolism
Asparagine catabolism refers to the breakdown of the amino acid asparagine into other compounds. This process typically involves the conversion of asparagine to aspartate, which can then enter the citric acid cycle. Recognizing the steps and enzymes involved in this catabolic pathway is essential for identifying the metabolic substrates derived from asparagine.
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2:06Intro to Amino Acid Catabolism Concept 1
Metabolic Substrates
Metabolic substrates are the molecules that serve as the starting materials for metabolic reactions. In the context of amino acids, these substrates can include intermediates that enter energy-producing pathways, such as the citric acid cycle or gluconeogenesis. Identifying the specific substrates produced from asparagine helps in understanding its role in energy metabolism and overall cellular function.
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Percorso guidato
2:32Enzyme-Substrate Complex Concept 1
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