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Chondroitin sulfate
CHONDROITIN SULFATE is a sulfated glycosaminoglycan (GAG) composed of a chain of alternating sugars (N-acetylgalactosamine and glucuronic acid). It is usually found attached to proteins as part of a proteoglycan. A chondroitin chain can have over 100 individual sugars, each of which can be sulfated in variable positions and quantities. Chondroitin sulfate is an important structural component of cartilage, and provides much of its
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Methaemalbumin in Man (1939)
(Pseudo-methaemoglobin) Section of Therapeutics and Pharmacology and a list of related articles
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Buggy Love Potion: The Science of Insect Sex Hormones
Listen up, you sexy six-legged sirens and alluring arthropods! 🐞💋 Get ready to have your mind blown and your exoskeleton rocked. Insect sex hormones: They’re real, they’re spectacular, and they’re changing the game of love in the miniature world! From ecdysone’s double life to gonadotropins’ matchmaking skills, these hormones are the unsung heroes of insect
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Sex-determining region Y protein (SRY), or testis-determining factor (TDF)
Sex-determining region Y protein (SRY), or testis-determining factor (TDF), is a DNA-binding protein (also known as gene-regulatory protein/transcription factor) encoded by the SRY gene that is responsible for the initiation of male sex determination in therian mammals (placental mammals and marsupials). SRY is an intronless sex-determining gene on the Y chromosome. Mutations in this gene lead to a range of disorders of sex development with varying effects on an individual’s phenotype and genotype. SRY is a member of the SOX (SRY-like box)
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DAX1
DAX1 (dosage-sensitive sex reversal, adrenal hypoplasia critical region, on chromosome X, gene 1) is a nuclear receptor protein that in humans is encoded by the NR0B1 gene (nuclear receptor subfamily 0, group B, member 1). The NR0B1 gene is located on the short (p) arm of the X chromosome between bands Xp21.3 and Xp21.2, from base pair 30,082,120 to base pair 30,087,136. Function This gene encodes a protein
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DMRT1
Doublesex and mab-3 related transcription factor 1, also known as DMRT1, is a protein which in humans is encoded by the DMRT1 gene. Function DMRT1 is a dose sensitive transcription factor protein that regulates Sertoli cells and germ cells. The DMRT1 gene is located at the end of the 9th chromosome. This gene is found in a cluster with two other members
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DMT1 aka DCT1 and NRAMP2
Natural resistance-associated macrophage protein 2 (NRAMP 2), also known as divalent metal transporter 1 (DMT1) and divalent cation transporter 1 (DCT1), is a protein that in humans is encoded by the SLC11A2 (solute carrier family 11, member 2) gene. DMT1 represents a large family of orthologous metal ion transporter proteins that are highly conserved from bacteria to humans. As its name suggests, DMT1 binds a variety of divalent metals
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Steroidogenic factor 1 (SF-1) protein and a few related things
The steroidogenic factor 1 (SF-1) protein is a transcription factor involved in sex determination by controlling the activity of genes related to the reproductive glands or gonads and adrenal glands. This protein is encoded by the NR5A1 gene, a member of the nuclear receptor subfamily, located on the long arm of chromosome 9 at position 33.3. It was originally identified as a regulator of genes encoding cytochrome P450 steroid hydroxylases, however, further roles
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Phlogiston Theory
phlogiston turning alchemy into chemistry The phlogiston theory Phlogiston theory postulated the existence of a fire-like element called phlogiston contained within combustible bodies and released during combustion. read about Phlogiston At WIKIPEDIA Empedocles formulated the classical theory that there were four elements—water, earth, fire, and air—and Aristotle reinforced this idea by characterising them as moist,
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The neonatal fragment crystallizable (Fc) receptor (also FcRn, IgG receptor FcRn large subunit p51, or Brambell receptor) is a protein that in humans is encoded by the FCGRT gene
It is an IgG Fc receptor which is similar in structure to the MHC class I molecule and also associates with beta-2-microglobulin. In rodents, FcRn was originally identified as the receptor that transports maternal immunoglobulin G (IgG) from mother to neonatal offspring via mother’s milk, leading to its name as the neonatal Fc receptor. In humans, FcRn is present in the placenta where
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