After completing this section, you should know the:
- Symbols used to represent elements;
- Names of molecules commonly found in animal cells;
- Characteristics of ions and electrolytes;
- Basic structure of carbohydrates with examples;
- Carbohydrates can be divided into mono- di- and poly-saccharides;
- Basic structure of fats or lipids with examples;
- Basic structure of proteins with examples;
- Function of carbohydrates, lipids and proteins in the cell and animals' bodies;
- Foods which supply carbohydrates, lipids and proteins in animal diets.
Thumbnail: A fat, or triglyceride, molecule. Note the three fatty acid chains attached to the central glycerol portion of the molecule. (Public Domain; Benjah-bmm27).