Chapter

The Atom

From Human Nutrition by Human Nutrition

Concepts

1. Free Radicals

   "Image by DoSiDo / CC BY-SA 3.0 The Atom Cells are the basic building blocks of life, but atoms are the basic building blocks of all matter, living and nonliving. The structural elements of an atom ar

2. Metabolism

   "Metabolism Overview Metabolism is defined as the sum of all chemical reactions required to support cellular function and hence the life of an organism. Metabolism is either categorized as catabolism,

3. Catabolism

   "Energy metabolism refers more specifically to the metabolic pathways that release or store energy. Some of these are catabolic pathways, like glycolysis (the splitting of glucose), β -oxidation (fatt

4. Anabolism

   "Anabolism: The Building The energy released by catabolic pathways powers anabolic pathways in the building of macromolecules such as the proteins RNA and DNA, and even entire new cells and tissues. A