The House of Tudor was a royal house of Welsh and English origin, descended in the male line from the Tudors of Penmynydd.
Tyrosine (Tyr or Y) or 4-hydroxyphenylalanine is one of the 22 amino acids that are used by cells to synthesize proteins. It is a non-essential amino acid with a polar side group. Its codons are UAC and UAU.
Medical Definition of PROTAMINE. : any of various strongly basic proteins of relatively low molecular weight that are rich in arginine and are found associated especially with DNA in place of histone in the sperm of various animals (as fish).Britannica.com: Encyclopedia article about protamine.edical Definition of PROTAMINE. : any of various strongly basic proteins of relatively low molecular weight that are rich in arginine and are found associated especially with DNA in place of histone in the sperm of various animals (as fish). Britannica.com: Encyclopedia article about protamine.