A protein-RNA complex that recognizes a signal peptide as it emerges from a ribosome and helps direct the ribosome to the ER or other organelles in an eukaryotic cell.Group of answer choicesaminoacyl-tRNA synthetasesignal-recognition particle (SRP)signal peptidetranscription factortranscription initiation complexspliceosomeNext

A regulatory protein that binds to DNA and affects transcription of specific genes.Group of answer choicessignal peptidespliceosomesignal-recognition particle (SRP)aminoacyl-tRNA synthetasetranscription factortranscription initiation complexpolyribosomeNext

The complex of transcription factors and RNA polymerase bound to the promoter.Group of answer choicestranscription initiation complexaminoacyl-tRNA synthetasespliceosomepolyribosomesignal-recognition particle (SRP)signal peptideNext

The sites of translation are ____, molecular complexes that facilitate the orderly linking of amino acids into polypeptide chains.Group of answer choicesaminoacyl-tRNA synthetasessignal peptidesribosomestranscription initiation complexesspliceosomessignal-recognition particles (SRPs)

The completed assembly of transcription factors and RNA polymerase bound to a promoter.Group of answer choicesaminoacyl-tRNA synthetasesignal peptidesignal-recognition particle (SRP)spliceosomepolyribosometranscription initiation complexNext

A sequence of about 20 amino acids at or near the leading (amino) end of a polypeptide that targets it to the ER or other organelles in an eukaryotic cell.Group of answer choicespoly-A tailsignal-recognition particle (SRP)5’ capTATAboxpromotersignal peptidereading frameNext