Molecular Cell Biology Lecture 2, Part B; Chemistry of a cell
Molecular Cell Biology Lecture Series・2 minutes read
Sugars and fats store energy, but ATP powers cell work, mainly produced in mitochondria. ATP's high-energy bond aids in reactions, while NADH drives electron transport, with glycolysis and the citric acid cycle central to cellular metabolism.
Insights
- ATP is the primary energy source for cellular work, produced mainly in mitochondria through oxidative phosphorylation and storing energy in phosphoanhydride bonds.
- NADH plays a crucial role in cellular redox reactions, acting as a major electron donor in the electron transport chain, driving ATP synthesis through oxidative phosphorylation, yielding around 30 ATP molecules per glucose molecule.
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Recent questions
What is the main energy source for useful work in cells?
ATP
What is the role of NADH in cellular metabolism?
Major electron donor in the electron transport chain
How are molecules like cholesterol built in cells?
Anabolic processes
What is the significance of acetyl coenzyme A in cellular metabolism?
Vital cellular intermediate
How is energy stored in cells for various processes?
Phosphoanhydride bonds
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