Complete the following chart: <IMAGE> The main coenzymes that carry electrons in catabolic pathways are _______ and ________.
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Identify the role of coenzymes in catabolic pathways, which is to assist in the transfer of electrons during metabolic reactions.
Recall that in cellular respiration, coenzymes are crucial for the electron transport chain, where they shuttle electrons between different molecules.
Recognize that the two main coenzymes involved in electron transport in catabolic pathways are NAD+ (Nicotinamide adenine dinucleotide) and FAD (Flavin adenine dinucleotide).
Understand that NAD+ is reduced to NADH and FAD is reduced to FADH2 during catabolic reactions, such as glycolysis and the citric acid cycle.
Conclude that the main coenzymes that carry electrons in catabolic pathways are NAD+ and FAD.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Coenzymes in Metabolism
Coenzymes are organic molecules that assist enzymes in catalyzing reactions. They often serve as carriers for specific atoms or functional groups during metabolic processes. In catabolic pathways, coenzymes play a crucial role in transferring electrons, which is essential for energy production.
Electron carriers are molecules that transport electrons from one reaction to another within metabolic pathways. In catabolism, they facilitate the transfer of electrons during the breakdown of organic molecules, ultimately leading to the production of ATP. Key electron carriers include NAD+ and FAD, which are reduced to NADH and FADH2, respectively.
Catabolic pathways are metabolic routes that break down complex molecules into simpler ones, releasing energy in the process. These pathways are vital for cellular respiration, where glucose and other substrates are oxidized to produce ATP. The main coenzymes involved in these pathways are crucial for the efficient transfer of electrons and energy.