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A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's knowledge to cheat on a test or exam . [ 1 ]
Reference notes. A reference card or reference sheet (or quick reference card) or crib sheet is a concise bundling of condensed notes about a specific topic, such as mathematical formulas [1] to calculate area/volume, or common syntactic rules and idioms of a particular computer platform, application program, or formal language.
Dope sheet, also known as a crib sheet, may refer to: Dope sheet (animation) , a planning sheet for animators, also applied to the content of TV programmes Scratch sheet , a publication listing betting odds on horses participating in horse racing
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Methylation of histones has been tied to life span regulation in many organisms, specifically H3K4me3, an activating mark, and H4K27me3, a repressing mark. In C. elegans , the loss of any of the three Trithorax proteins that catalyze the trimethylation of H3K4 such as, WDR-5 and the methyltransferases SET-2 and ASH-2, lowers the levels of ...
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Life expectancy development in some big countries of the world since 1960 Life expectancy at birth, measured by region, between 1950 and 2050 Life expectancy by world region, from 1770 to 2018 Human life expectancy is a statistical measure of the estimate of the average remaining years of life at a given age.
The twentieth century witnessed a great expansion of the upper bounds of the human life span. At the beginning of the century, average life expectancy in the United States was 47 years. By the century's end, the average life expectancy had risen to over 70 years, and it was not unusual for Americans to exceed 80 years of age.