The purpose of the ames test is to view available hint(s) the purpose of the ames test is to test the mutagenic effects of chemicals determine whether salmonella typhimurium his- mutants can revert to his+ determine whether histidine has mutagenic effects in s. typhimurium study how the liver affects potential mutagens

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t