Domanda del libro di testo
Identify the type of food as carbohydrate, fat, or protein that gives each of the following digestion products:
e. amino acids
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Ch.18 Metabolic Pathways and ATP Production
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249
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TOC.tableOfContents
- Ch.1 Chemistry in Our Lives19
- Ch.2 Chemistry and Measurements80
- Ch.3 Matter and Energy53
- Ch.4 Atoms and Elements58
- Ch.5 Nuclear Chemistry42
- Ch.6 Ionic and Molecular Compounds57
- Ch.7 Chemical Quantities and Reactions38
- Ch.8 Gases30
- Ch.9 Solutions50
- Ch.10 Acids and Bases and Equilibrium64
- Ch.11 Introduction to Organic Chemistry: Hydrocarbons77
- Ch.12 Alcohols, Thiols, Ethers, Aldehydes, and Ketones82
- Ch.13 Carbohydrates54
- Ch.14 Carboxylic Acids, Esters, Amines, and Amides91
- Ch.15 Lipids61
- Ch.16 Amino Acids, Proteins, and Enzymes84
- Ch.17 Nucleic Acids and Protein Synthesis86
- Ch.18 Metabolic Pathways and ATP Production73
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Non è quello che usi tu?Cambia libro di testo
Capitolo 18, Problema 82
What is the coenzyme used in glycolysis?
Guida verificata passo dopo passo1
Understand that glycolysis is a metabolic pathway where glucose is broken down into pyruvate, producing ATP and NADH as energy carriers.
Recall that coenzymes are molecules that assist enzymes in catalyzing reactions. In glycolysis, a key coenzyme is involved in the transfer of electrons during oxidation-reduction reactions.
Identify that the coenzyme used in glycolysis is nicotinamide adenine dinucleotide (NAD⁺), which acts as an electron carrier.
During glycolysis, NAD⁺ is reduced to NADH when it accepts electrons and a hydrogen ion (H⁺) in the reaction catalyzed by glyceraldehyde-3-phosphate dehydrogenase.
Recognize the importance of NAD⁺ in glycolysis, as it ensures the continuation of the pathway by regenerating NAD⁺ through subsequent processes like fermentation or oxidative phosphorylation.
Concetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Glycolysis
Glycolysis is a metabolic pathway that converts glucose into pyruvate, producing a small amount of ATP and NADH in the process. It occurs in the cytoplasm of cells and is the first step in cellular respiration. Understanding glycolysis is essential for identifying the coenzymes involved in this pathway.
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Percorso guidato
1:26
Glycolysis Concept 5
Coenzymes
Coenzymes are organic molecules that assist enzymes in catalyzing reactions. They often act as carriers for chemical groups or electrons during metabolic processes. In glycolysis, coenzymes play a crucial role in facilitating the transfer of electrons and protons, which is vital for energy production.
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Percorso guidato
1:02Coenzyme A Concept 4
NAD+ (Nicotinamide adenine dinucleotide)
NAD+ is a key coenzyme in glycolysis that functions as an electron carrier. It accepts electrons during the oxidation of glucose, becoming reduced to NADH. This conversion is critical for the energy yield of glycolysis and for subsequent metabolic pathways, such as the citric acid cycle.
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Percorso guidato
2:19Nicotinamide Adenine Dinucleotide Concept 2
Pratica correlata
Domanda del libro di testo
When pyruvate is used to form acetyl CoA, the product has only two carbon atoms. What happened to the third carbon?
1005
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Domanda del libro di testo
If there are no reactions in the citric acid cycle that use oxygen, O2, why does the cycle operate only in aerobic conditions?
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Domanda del libro di testo
When is pyruvate converted to lactate in the body?
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Domanda del libro di testo
Identify each of the following as a six-carbon or a three-carbon compound and arrange them in the order in which they occur in glycolysis:
a. 3-phosphoglycerate
720
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