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Questions and Answers
What is the main function of catabolism in metabolism?
What is the main function of catabolism in metabolism?
Which molecule is considered as the energy currency in the cell?
Which molecule is considered as the energy currency in the cell?
What is the primary purpose of anabolism in metabolism?
What is the primary purpose of anabolism in metabolism?
In a metabolic pathway, what are the products that occur between the initial substrate and the final end product known as?
In a metabolic pathway, what are the products that occur between the initial substrate and the final end product known as?
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What is the key function of ATP in the cell?
What is the key function of ATP in the cell?
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Which process involves the conversion of pyruvate to lactic acid or ethanol, and does not require molecular oxygen as an electron acceptor?
Which process involves the conversion of pyruvate to lactic acid or ethanol, and does not require molecular oxygen as an electron acceptor?
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Which type of phosphorylation occurs in both aerobic respiration and fermentation?
Which type of phosphorylation occurs in both aerobic respiration and fermentation?
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What is the final electron (hydrogen) acceptor in anaerobic respiration?
What is the final electron (hydrogen) acceptor in anaerobic respiration?
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Which metabolic processes generally begins with the hydrolysis of large macromolecules in the external cellular environment?
Which metabolic processes generally begins with the hydrolysis of large macromolecules in the external cellular environment?
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Which system has two basic functions: accepting electrons from an electron donor and transferring them to an electron acceptor, and conserving some of the energy released during electron transfer for synthesis of ATP?
Which system has two basic functions: accepting electrons from an electron donor and transferring them to an electron acceptor, and conserving some of the energy released during electron transfer for synthesis of ATP?
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Study Notes
Catabolism and Metabolism
- The main function of catabolism in metabolism is to break down complex molecules into simpler ones, releasing energy.
Energy Currency
- ATP (Adenosine Triphosphate) is considered the energy currency in the cell.
Anabolism
- The primary purpose of anabolism in metabolism is to build complex molecules from simpler ones, requiring energy.
Metabolic Pathway
- In a metabolic pathway, the products that occur between the initial substrate and the final end product are known as intermediates.
ATP Function
- The key function of ATP in the cell is to provide energy for various cellular activities.
Anaerobic Respiration
- Fermentation involves the conversion of pyruvate to lactic acid or ethanol, and does not require molecular oxygen as an electron acceptor.
Phosphorylation
- Substrate-level phosphorylation occurs in both aerobic respiration and fermentation.
Anaerobic Respiration
- The final electron (hydrogen) acceptor in anaerobic respiration is an organic molecule, typically an electron carrier or a molecule derived from the original energy source.
Metabolic Processes
- Extracellular digestion, which generally begins with the hydrolysis of large macromolecules in the external cellular environment, is the first step of many metabolic processes.
Electron Transport System
- The electron transport system has two basic functions: accepting electrons from an electron donor and transferring them to an electron acceptor, and conserving some of the energy released during electron transfer for the synthesis of ATP.
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Description
Test your understanding of metabolism in microorganisms with this quiz. Explore topics such as catabolism, anabolism, ATP, common metabolic pathways, and respiration/fermentation.
