Detailed magnified image illustrating the cellular structure under a microscope.

Cells Run on Controlled Fire

Cellular respiration releases energy from nutrients to make ATP. It is technically a combustion reaction, but in cells that energy is released slowly and under control.

Biology: How Life Uses Energy

Microscopic view of a plant cell cross-section highlighting vibrant structures and patterns in bioscience research.

The Cell's Energy Currency

Mitochondria generate ATP to power cellular processes. During aerobic respiration, oxygen serves as the final electron acceptor.

Biology: How Life Uses Energy

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