The completed assembly of transcription factors and RNA polymerase bound to a promoter.Group of answer choicespolyribosometranscription initiation complexspliceosomesignal-recognition particle (SRP)signal peptideaminoacyl-tRNA synthetase

A regulatory protein that binds to DNA and affects transcription of specific genes.Group of answer choicesaminoacyl-tRNA synthetasepolyribosomesignal-recognition particle (SRP)spliceosometranscription factorsignal peptidetranscription initiation complex

The complex of transcription factors and RNA polymerase bound to the promoter.Group of answer choicestranscription initiation complexsignal peptidesignal-recognition particle (SRP)polyribosomeaminoacyl-tRNA synthetasespliceosomeNext

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

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 enzymes that reloads empty tRNA molecules with the proper amino acid.Group of answer choicesspliceosomeRNA polymeraseaminoacyl-tRNA synthetasepolyribosometranscription factor