Synapsi
Mitochondria & Cellular Respiration
Lecture 07 — Energy Metabolism.m4aShared by Maya ChenAI-generated · 758 words
midtermmetabolism
Key concepts · 5
01The cell powerhouse
Mitochondria turn glucose into ATP, the energy currency every cell spends to do work.
02Three stages
Glycolysis splits glucose in the cytoplasm. The Krebs cycle loads electron carriers. The electron transport chain makes most of the ATP.
03Why oxygen matters
Oxygen is the final electron acceptor. Without it the chain backs up and ATP output collapses to the small anaerobic yield.
04The bottom line
With oxygen one glucose gives about 30 to 32 ATP; without it, only the 2 from glycolysis.
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