<Tr> <Td> Serine </Td> <Td> Ser / S </Td> <Td> </Td> <Td> </Td> <Td> UCU UCC UCA UCG AGU AGC </Td> </Tr> <Tr> <Td> Threonine </Td> <Td> Thr / T </Td> <Td> </Td> <Td> </Td> <Td> ACU ACC ACA ACG </Td> </Tr> <Tr> <Td> Tryptophan </Td> <Td> Trp / W </Td> <Td> </Td> <Td> </Td> <Td> UGG </Td> </Tr> <Tr> <Td> Tyrosine </Td> <Td> Tyr / Y </Td> <Td> </Td> <Td> </Td> <Td> UAU UAC </Td> </Tr>

How many types of hormone in human body