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Science in Africa additionally includes information on upcoming science events , jobs , funding opportunities , and science education activities and opportunities . By creating mutations in the genetic code to make Ivy more similar to Castor , a single amino acid change was introduced into the ivy desaturase converting lysine ( K ) to an aspartic acid ( D ) at amino acid position 308 . They can organize bibliographic data by creating citations from various types of sources and constructing them into standardized formats . New administrations in both these countries face difficult challenges in reducing drug production while confronting economic weakness and political instability . Compaq repeatedly archived more than 1,000 election-related sites during the fall and winter of 2000 , and users can access those pages here , either through browsing the categorized list of sites or through searching for a specific URL . 101.93 ( g ) ( 2 ) ( iii ) , a statement would be considered a disease claim if it explicitly or implicitly claimed an effect on a consequence of a natural state that presents a characteristic set of signs or symptoms recognizable to health care professionals or consumers as constituting an abnormality of the body , such as toxemia of pregnancy , premenstrual syndrome , or abnormalities associated with aging such as presbyopia , decreased sexual function , Alzheimer 's disease , or hot flashes .