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Mon, Oct 12, 2026 / Ideas for a clearer worldINDEPENDENT INSIGHTS · PRACTICAL TOOLS · EXPLAINERS
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Basics

Basics

Photosynthesis

The shared evolutionary history of all photosynthetic organisms is conspicuous, as the basic process has changed little over…

July 12, 2021 · Rajil TL
Basics

The Calvin Cycle

After the energy from the sun is converted and packaged into ATP and NADPH, the cell has the…

July 12, 2021 · Rajil TL
Basics

Introduction to Photosynthesis

Figure 5.1 This sage thrasher’s diet, like that of almost all organisms, depends on photosynthesis. (credit: modification of…

July 12, 2021 · Rajil TL
Basics

Anaerobic Cellular Respiration

Certain prokaryotes, including some species of bacteria and Archaea, use anaerobic respiration. For example, the group of Archaea…

July 12, 2021 · Rajil TL
Basics

Fermentation

In aerobic respiration, the final electron acceptor is an oxygen molecule, O2. If aerobic respiration occurs, then ATP…

July 12, 2021 · Rajil TL
Basics

Glycolysis

You have read that nearly all of the energy used by living things comes to them in the bonds…

July 12, 2021 · Rajil TL
Basics

ATP in Living Systems

A living cell cannot store significant amounts of free energy. Excess free energy would result in an increase…

July 12, 2021 · Rajil TL