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Activator (Ac)/ Dissociation (Ds) transposable elements were discovered by Barbara McClintock when she was studying the maize genomic composition of the short arm of chromosome 9. She noticed that when chromosome 9 had been exposed to drastic structural modifications, the progeny had changes such as multiple copies of the short arm or lacking ...
The activator is the main factor determining the phosphor emission wavelength. The nature of the host crystal can however to some degree influence the wavelength as well. More activators can be used simultaneously. Common examples of activators are:
Activator may refer to: Activator (genetics), a DNA-binding protein that regulates one or more genes by increasing the rate of transcription; Activator (phosphor), a type of dopant used in phosphors and scintillators; Enzyme activator, a type of effector that increases the rate of enzyme mediated reactions
GM2A is a lipid transfer protein that stimulates the enzymatic processing of gangliosides, and also T-cell activation through lipid presentation. This protein binds molecules of ganglioside GM2, extracts them from membranes, and presents them to beta- hexosaminidase A for cleavage of N-acetyl-D-galactosamine and conversion to GM3.
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The Ravens are set to pay Johnson about $625,000, and he'll hit free agency this upcoming offseason. The Ravens sit at 8-5 after Sunday's loss to Philadelphia, which marked their second loss in ...
Dolph Lundgren is officially cancer-free after undergoing his last procedure.. The Swedish actor, 67, who was diagnosed with kidney cancer in 2015, posted a video on Instagram and gave a health ...
This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.