Questions and Answers
Formation, breakdown, and interconversion of carbohydrates in living organisms is made possible by?
carbohydrate metabolism
When glucose is converted to _____, it opens up anaerobic and aerobic metabolic pathways.
pyruvate
During glycolysis, this coenzyme escorts hydrogen and electrons to the electron transport chain and the TCA cycle.
B vitamin niacin
In the Cori cycle, the release of energy from _____ converts lactate to glucose.
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In the Cori cycle, muscles lack enzymes to break _____ down.
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After resting for 10 minutes and performing another explosive movement, what type of metabolism is being used?
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Glucose cannot be made when amino acids are converted to _____
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In the TCA cycle, some amino acids enter directly and can continue to generate energy and _____
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When _____ is available, the body can use _____ and glycerol to make some non-essential amino acids.
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Study Notes
Carbohydrate Metabolism
- Formation, breakdown, and interconversion of carbohydrates in organisms.
- Key process enabling energy production from carbs.
Glycolysis and Energy Pathways
- Conversion of glucose to pyruvate triggers both anaerobic and aerobic pathways for energy production.
Niacin's Role in Glycolysis
- The B vitamin niacin acts as a coenzyme, transporting hydrogen and electrons to the electron transport chain and TCA cycle.
Cori Cycle Mechanism
- ATP release is crucial for converting lactate back to glucose, facilitating energy recovery.
- Muscle tissues lack enzymes to directly break down glucose during anaerobic conditions.
Anaerobic Metabolism
- Engaging in short bursts of high-intensity activity, like standing vertical jumps, relies on anaerobic metabolic processes after a brief rest period.
Amino Acids and Glucose Conversion
- Amino acids are converted to Acetyl-CoA, limiting the ability to produce glucose directly from them.
- Some amino acids can enter the TCA cycle to generate energy and, potentially, glucose.
Nitrogen's Role in Amino Acid Synthesis
- Availability of nitrogen allows the body to utilize glucose and glycerol to synthesize non-essential amino acids.
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Description
Test your knowledge on carbohydrate metabolism, including glycolysis, energy pathways, and the roles of niacin and the Cori cycle. Understand the processes involved in energy production and the conversion of amino acids to glucose. This quiz will assess your grasp of anaerobic and aerobic metabolic pathways.
