Xenon
Xenon ( in the UK, in the US) is a chemical element that has the symbol Xe and atomic number 54. A colorless, heavy, odorless noble gas , xenon occurs in the earth's atmosphere in trace amounts. Although generally unreactive, xenon can undergo a few chemical reaction s such as the forma more
Anabolic steroid
, transporting 5α-dihydrotestosterone .
Anabolic steroids, also known as anabolic-androgenic steroids or AAS, are a class of steroid hormone s related to the hormone testosterone . They increase protein synthesis within cells, which results in the buildup of cellular tissue (an more
Metabolism adenosine triphosphate , a central intermediate in energy metabolism.
Metabolism is the set of chemical reaction s that occur in living organism s in order to maintain life . These processes allow organisms to grow and reproduce, maintain their structures, and respond to their environme more
Multiple sclerosis
Multiple sclerosis (abbreviated MS , formerly known as disseminated sclerosis or encephalomyelitis disseminata) is a chronic , inflammatory , demyelinating disease that affects the central nervous system (CNS) . Disease onset usually occurs in young adults, is more common in wo more
History of biology 's evolution-themed poem The Temple of Nature shows a goddess pulling back the veil from nature (in the person of Artemis ). Allegory and metaphor have often played an important role in the history of biology.
The history of biology traces the study of the living world from anci more