Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
