Plural form of compound
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good diet will be one consisting of the right amounts of nutritive compounds. Get to know the different nutritional requirements of the body through this tutorial...
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the element carbon within them. It is presumed that one of the family of compounds that first came up was the amino acids, the building blocks of protein. Over time, these life forms become more and more complex. Find out more about how life likely began on Earth...