Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..
