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Vor 3 Tagen · Chemical modifications of these basic amino acid residues include methylation, phosphorylation, and acetylation. These chemical changes alter the strength of the interaction between the DNA and the histones, making the DNA more or less accessible to transcription factors and changing the rate of transcription.
Table 2.7.1 2.7. 1: Common greek prefixes used in naming simple moleculs. There are some rules we need to follow,which are: If there are two atoms, place the more "metallic" first (furthest to the left on the periodic table) is there is a central atom, place it first, and the atoms attached after.
Vor 3 Tagen · Nitric oxide ( nitrogen oxide or nitrogen monoxide [1]) is a colorless gas with the formula NO. It is one of the principal oxides of nitrogen. Nitric oxide is a free radical: it has an unpaired electron, which is sometimes denoted by a dot in its chemical formula ( • N=O or • NO).
Vor 2 Tagen · For other uses, see Wave (disambiguation). Surface waves in water showing water ripples. In physics, mathematics, engineering, and related fields, a wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. Periodic waves oscillate repeatedly about an equilibrium (resting) value at some frequency.
Vor 20 Stunden · Biochemistry is the study of chemical processes within and relating to living organisms. Molecular biology is the branch of biology that seeks to understand the molecular basis of biological activity in and between cells, including molecular synthesis, modification, mechanisms, and interactions.
Vor 3 Tagen · Sulfate. Sulfate sind eine Gruppe chemischer Verbindungen, die sich von der Schwefelsäure ableiten. Aufteilen lässt sich die Gruppe in Schwefelsäure- Salze und Schwefelsäure- Ester. Die Schwefelsäure besitzt zwei Hydroxy-Gruppen (OH-Gruppen), deren Wasserstoff-Atome abgespalten oder getauscht werden können.
Vor 2 Tagen · Sulfuric acid is a very important commodity chemical, and indeed, a nation's sulfuric acid production is a good indicator of its industrial strength. World production in the year 2004 was about 180 million tonnes , with the following geographic distribution: Asia 35%, North America (including Mexico) 24%, Africa 11%, Western Europe 10%, Eastern Europe and Russia 10%, Australia and Oceania 7% ...
