Abstract Background N-hydroxylated base analogs, such as 6-hydroxylaminopurine (HAP) and 2-amino-6-hydroxylaminopurine (AHA), Horse Saddle Pads are strong mutagens in various organisms due to their ambiguous base-pairing properties.The systems protecting cells from HAP and related noncanonical purines in Escherichia coli include specialized deoxyri
Multivariate statistical analysis of geomorphological parameters for Sinai Peninsula
Sinai Peninsula was delineated to 62 hydrological catchments using WMS and GIS tools.Thirty geo-morphometric parameters were calculated for each catchment.Statistical analyses were conducted to determine the important parameters namely Factor analysis (FA), Cluster Analysis (CA), and Regression Analysis (RA).FA resulted in the exclusion of some fac
Degrees of Difference: Gender Segregation of U.S. Doctorates by Field and Program Prestige
Women earn nearly half of doctoral degrees in research fields, yet doctoral education in the United States remains deeply segregated by gender.We argue that in addition to the oft-noted segregation of men and women by field of study, men and women may also be segregated across programs that differ in their prestige.Using data on all doctorates awar