<Tr> <Td> UUC </Td> <Td> UCC </Td> <Td> UAC </Td> <Td> UGC </Td> <Th> </Th> </Tr> <Tr> <Td> UUA </Td> <Td> (Leu / L) Leucine </Td> <Td> UCA </Td> <Td> UAA </Td> <Td> Stop (Ochre) </Td> <Td> UGA </Td> <Td> Stop (Opal) </Td> <Th> </Th> </Tr> <Tr> <Td> UUG </Td> <Td> UCG </Td> <Td> UAG </Td> <Td> Stop (Amber) </Td> <Td> UGG </Td> <Td> (Trp / W) Tryptophan </Td> <Th> </Th> </Tr> <Tr> <Th> </Th> <Td> CUU </Td> <Td> CCU </Td> <Td> (Pro / P) Proline </Td> <Td> CAU </Td> <Td> (His / H) Histidine </Td> <Td> CGU </Td> <Td> (Arg / R) Arginine </Td> <Th> U </Th> </Tr>

Codons are important in the composition of proteins because each codon calls for a specific