Oncogenic mutations of Ras, which are found in human tumours, tumour cell lines and in carcinogen-induced experimental tumours, cause the hyper-activation of the Ras proteins. Ras proteins are GTPases ...

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Trump's support in rural America slips as fuel and food prices climb, Reuters/Ipsos poll shows Brian Rauch has felt the squeeze of higher gas prices on his 30-mile (50-km) drives from his home in ...

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