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H&R Block, Inc. H&R Block, Inc., or H&R Block, is an American tax preparation company operating in Canada, the United States, and Australia. The company was founded in 1955 by brothers Henry W. Bloch and Richard Bloch. As of 2018, H&R Block operates approximately 12,000 retail tax offices staffed by tax professionals worldwide.
The Office of Personnel Management data breach was a 2015 data breach targeting Standard Form 86 (SF-86) U.S. government security clearance records retained by the United States Office of Personnel Management (OPM). One of the largest breaches of government data in U.S. history, the attack was carried out by an advanced persistent threat based ...
Histone acetylation and deacetylation are essential parts of gene regulation. These reactions are typically catalysed by enzymes with "histone acetyltransferase" (HAT) or "histone deacetylase" (HDAC) activity. Acetylation is the process where an acetyl functional group is transferred from one molecule (in this case, acetyl coenzyme A) to another.
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Human resources (HR) is the set of people who make up the workforce of an organization, business sector, industry, or economy. [1][2] A narrower concept is human capital, the knowledge and skills which the individuals command. [3] Similar terms include manpower, labor, labor-power, or personnel. The Human Resources department (HR department ...
Standard Form 50. Standard Form 50 (SF 50), officially titled Notification of Personnel Action, is a United States government form used to process various personnel actions for government employees. The form is very important for government employees: any errors in the form can affect eligibility for certain benefits (such as when an employee ...
The Combined DNA Index System (CODIS) is the United States national DNA database created and maintained by the Federal Bureau of Investigation.CODIS consists of three levels of information; Local DNA Index Systems (LDIS) where DNA profiles originate, State DNA Index Systems (SDIS) which allows for laboratories within states to share information, and the National DNA Index System (NDIS) which ...