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Slime coat, the coating of mucus covering the body of all fish; Slime mold, an informal name for several eukaryotic organisms; Biofilm, or slime, a syntrophic community of microorganisms in which cells stick to each other
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
In molecular biology and pharmacology, a small molecule or micromolecule is a low molecular weight (≤ 1000 daltons [1]) organic compound that may regulate a biological process, with a size on the order of 1 nm [citation needed]. Many drugs are small molecules; the terms are equivalent in the literature.
Biochemistry, or biological chemistry, is the study of chemical processes within and relating to living organisms. [1] A sub-discipline of both chemistry and biology, biochemistry may be divided into three fields: structural biology, enzymology, and metabolism. Over the last decades of the 20th century, biochemistry has become successful at ...
An example of a non-covalent heterodimer is the enzyme reverse transcriptase, which is composed of two different amino acid chains. [1] An exception is dimers that are linked by disulfide bridges such as the homodimeric protein NEMO. [2] Some proteins contain specialized domains to ensure dimerization (dimerization domains) and specificity. [3]
In chemistry, dimerization is the process of joining two identical or similar molecular entities by bonds.The resulting bonds can be either strong or weak. Many symmetrical chemical species are described as dimers, even when the monomer is unknown or highly unstable.
E. burgeri, for example, has nearly a 1:1 ratio, while M. glutinosa females are significantly more common than males. [47] Some species of hagfish are sexually undifferentiated before maturation, and possess gonadal tissue for both ovaries and testis. [48]
For example, the blue carotenoprotein, linckiacyanin has about 100-200 carotenoid molecules per every complex. [19] In addition, the functions of these pigment-protein complexes also change their chemical structure as well. Carotenoproteins that are within the photosynthetic structure are more common, but complicated.