Antioxidants
synthetic or natural substances added to products to prevent or delay their deterioriation by action of oxygen in air. In biochemistry and medicine, antioxidants are enzymes or other organic substances, such as vitamin e or beta-carotene, that are capable of counteracting the damaging effects of oxidation in animal tissue.
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....