Posted inMicrobiology
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Fermentation
In aerobic respiration, the final electron acceptor is an oxygen molecule, O2. If aerobic respiration…
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Citric Acid Cycle and Oxidative Phosphorylation
The Citric Acid Cycle In eukaryotic cells, the pyruvate molecules produced at the end of…
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Glycolysis
You have read that nearly all of the energy used by living things comes to them…
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ATP in Living Systems
A living cell cannot store significant amounts of free energy. Excess free energy would result…
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Electrons and Energy
The removal of an electron from a molecule, oxidizing it, results in a decrease in…
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Glycolysis
Energy production within a cell involves many coordinated chemical pathways. Most of these pathways are…
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Feedback Inhibition in Metabolic Pathways
Molecules can regulate enzyme function in many ways. The major question remains, however: What are…
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Free and Activation Energy
After learning that chemical reactions release energy when energy-storing bonds are broken, an important next…
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Potential and Kinetic Energy
When an object is in motion, there is energy associated with that object. Think of…