positive carrier
91Cab signalling — is a railroad safety system that communicates track status information to the train cab (driving position), where the engineer or driver can see the information. The simplest systems display the trackside signal aspect (typically, green, yellow… …
92Peptidoglycan — Peptidoglycan, also known as murein, is a polymer consisting of sugars and amino acids that forms a mesh like layer outside the plasma membrane of bacteria (but not Archaea), forming the cell wall. The sugar component consists of alternating… …
93Adolf Hitler's religious beliefs — have been a matter of dispute, in part because of apparently inconsistent statements made by and attributed to him. The relationship between Nazism and religion was complex and shifting over the period of the Nazi Party s existence and during its …
94chromatography — chromatographer, n. chromatographic /kreuh mat euh graf ik, kroh meuh teuh /, adj. chromatographically, adv. /kroh meuh tog reuh fee/, n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column… …
95p-n junction — A silicon p–n junction with no applied voltage. A p–n junction is formed at the boundary between a P type and N type semiconductor created in a single crystal of semiconductor by doping, for example by ion implantation, diffusion of dopants, or… …
96p53 — For the band and album of the same name, see P53 (band) and P53 (album). Tumor protein p53 PDB rendering based on 1TUP …
97HISTORICAL SURVEY: THE STATE AND ITS ANTECEDENTS (1880–2006) — Introduction It took the new Jewish nation about 70 years to emerge as the State of Israel. The immediate stimulus that initiated the modern return to Zion was the disappointment, in the last quarter of the 19th century, of the expectation that… …
98George H. W. Bush — This article is about the 41st U.S. president. For ship named after him, see USS George H.W. Bush (CVN 77). For his son, the 43rd U.S. president, see George W. Bush. For other persons of the same name, see George Bush (disambiguation). George H.… …
99Electron transport chain — The electron transport chain in the mitochondrion is the site of oxidative phosphorylation in eukaryotes. The NADH and succinate generated in the citric acid cycle are oxidized, providing energy to power ATP synthase …
100Vancomycin — Drugbox IUPAC name = unable to be assigned width=300 CAS number=1404 90 6 ATC prefix=A07 ATC suffix=AA09 ATC supplemental=ATC|J01|XA01 PubChem=14969 DrugBank=APRD01287 C=66 | H=75 | Cl=2 | N=9 | O=24 molecular weight = 1449.3 g.mol 1… …
