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

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 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 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)

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 large complex made up of proteins and RNA molecules that removes introns from mRNA.Group of answer choicestranscription initiation complexspliceosomeribozymesRNA polymerasepolyribosomeaminoacyl-tRNA synthetasetranscription factor