Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..