Posted on March 28, 2010.
What about mineral nutrient cellular nutrition in animals? Your question is very clear. However, in addition to organic molecules, all heterotrophic needs other nutrients and minerals from their diet. Essential nutrients are those of the body can be made by the body and must be obtained elsewhere. An example of a mineral is iron, the hemoglobin that carries oxygen in our blood is based on a molecule of iron. There is a list of some essential nutrients in the article wilipedia:
http://en.wikipedia.org/wiki/Essential_n ...
