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Start Over You searched for: Creator Crick, Francis, 1916-2004 ✖ Remove constraint Creator: Crick, Francis, 1916-2004 Subject Escherichia coli ✖ Remove constraint Subject: Escherichia coli Subject RNA ✖ Remove constraint Subject: RNA Story Section Defining the Genetic Coding Problem, 1954-1957 ✖ Remove constraint Story Section: Defining the Genetic Coding Problem, 1954-1957