Cation

Cation (Science: chemistry) a positively-charged ion...

In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..

The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..

Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..

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