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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
Product activation is a license validation procedure required by some proprietary software programs. Product activation prevents unlimited free use of copied or replicated software. Unactivated software refuses to fully function until it determines whether it is authorized to fully function. Activation allows the software to stop blocking its use.
Original file (SVG file, nominally 60 × 60 pixels, file size: 2 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
In Windows 8 and 8.1, the ability to change the desktop wallpaper is still possible, however changing the Start screen color & design and lock screen wallpaper are disabled. Notifications also appear occasionally telling the user to activate. However, the operating system otherwise functions normally. [19]
A transcriptional activator is a protein (transcription factor) that increases transcription of a gene or set of genes. [1] Activators are considered to have positive control over gene expression, as they function to promote gene transcription and, in some cases, are required for the transcription of genes to occur.
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
The Apple Icon Image format (.icns) is an icon format used in Apple Inc.'s macOS.It supports icons of 16 × 16, 32 × 32, 48 × 48, 128 × 128, 256 × 256, 512 × 512 points at 1x and 2x scale, with both 1-and 8-bit alpha channels and multiple image states (example: open and closed folders).
In September 2003, Howitz and Sinclair et al. published a highly cited paper reporting that polyphenols such as resveratrol [2] activate human SIRT1 and extend the lifespan of budding yeast (Howitz et al., Nature, 2003).