Basics
The Light-Dependent Reactions of Photosynthesis
How can light be used to make food? It is easy to think of light as something that…
July 12, 2021 · Rajil TLLatest articles
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 TLBasics
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 TLBasics
Fermentation
In aerobic respiration, the final electron acceptor is an oxygen molecule, O2. If aerobic respiration occurs, then ATP…
July 12, 2021 · Rajil TLBasics
Citric Acid Cycle and Oxidative Phosphorylation
The Citric Acid Cycle In eukaryotic cells, the pyruvate molecules produced at the end of glycolysis are transported…
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 TLBasics
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 TLBasics
Electrons and Energy
The removal of an electron from a molecule, oxidizing it, results in a decrease in potential energy in…
July 12, 2021 · Rajil TLBasics
Glycolysis
Energy production within a cell involves many coordinated chemical pathways. Most of these pathways are combinations of oxidation…
July 12, 2021 · Rajil TL
Basics
Feedback Inhibition in Metabolic Pathways
Molecules can regulate enzyme function in many ways. The major question remains, however: What are these molecules and…
July 12, 2021 · Rajil TL