<Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> k C </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> U, C, G, or (A) </Td> </Tr> <Tr> <Td> U </Td> <Td> A, G, U, or (C) </Td> </Tr>

How can a single trna molecule recognize up to four codons