He has been notified by magistrates that he is under investigation for corruption. Synonyms: examination, study, inquiry, hearing More Synonyms of investigate COBUILD Advanced English Dictionary.
Testis-determining factor (TDF), also known as sex-determining region Y (SRY) protein, is a DNA-binding protein (also known as gene-regulatory protein/transcription factor) encoded by the SRY gene that is responsible for the initiation of male sex determination in humans.estis-determining factor (TDF), also known as sex-determining region Y (SRY) protein, is a DNA-binding protein (also known as gene-regulatory protein/transcription factor) encoded by the SRY gene that is responsible for the initiation of male sex determination in humans.
Genes are sections of the DNA. Each gene has the code for creating a specific protein. The sequence of bases in the gene controls which amino acids are created and joined to make a specific new protein (or enzyme) molecule. Amino acids are made in the number and order dictated by the number and order of base triplets. 2  Finally, the amino acid molecules join together in a long chain to make a protein molecule. 3  The number and sequence of amino acids determines which protein results.