Barr body-The condensed, single X-chromosome, appearing as a densely staining mass, that is found in the nuclei of somatic cells of female mammals. It is named after its discoverer, Murray Barr, and is derived from one of the two X-chromosomes which becomes inactivated.
In 2011, the biggest employers of curators were museums and similar institutions, which hired 5,680 of the total 10,340 professionals at average salaries of $51,010 per year, or $24.52 per hour. The highest wages were in grant-making and giving services at a mean $91,270 yearly, or $43.88 hourly.
A museum exhibit designer is responsible for the overall design and planning of museum exhibits. These professionals can work in all types of museums and galleries, from large history museums to intimate art galleries.ccording to the Bureau of Labor Statistics, set and exhibit designers made an average salary of $39,350 in 2009. The actual salary of an exhibit designer, however, is often influenced by the size of a particular museum along with its budget.