reaginic antibody –> homocytotropic antibody (Science: immunology) A type of antibody which is able to attach itself to the surfaces of cells without needing specific combining sites. A homocytotropic antibody will only bind to cells which are from the same species as itself...
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
