The ribosomes ratchet back and forth with every pt'ase reaction in order to move the tRNAS and the mRNA into the next positions True False

Binding of --------- identifies the decoding center of the ribosome.

Charged tRNAS enter the ribosome in which site? A site E site O P site

Which of the following is true about amino acyl tRNA synthetase? O It binds both an ATP molecule and an amino acid within its active site. Each amino acyl tRNA synthetase is specific for a given a amino acid. O It links AMP to the COOH end of an amino acid. It links an amino acid to the 3' end of the correct tRNA molecule. O All of the above are true.

The ribosomes ratchet back and forth with every pt'ase reaction in order to move the tRNAS and the mRNA into the next positions O True O False Previo

Rank the steps of protein production in the order in which they occur. (1 = occurs first, 10 = occurs last) Initiation factors bind the small ribosomal subunit which recognizes the Shine Dalgarno sequence in the MRNA V[Choose] 6. 2 Elongation factors escort the aminoacyl 9. TRNA to the vacant A site of the ribosome 1 MRNA is spliced in the spliceosome to 10 remove introns 7 N-formylMethionine tRNA recognizes the start codon and recruits the large ribosomal [ Choose] subunit Translocation moves the uncharged tRNA to the E site and the recently extended tRNA is moved from the A site to the P site [ Choose ] DNA is transcribed into mRNA in the nucleus with the help of RNA polymerase [ Choose ] The newly formed polypeptide chain heads to the ER where it undergoes post- ( Choose] translational modifications Transcription factors bind DNA and help initiate the process of transcription [Choose ] Release factors recognize the stop codons and cause dissociation of the ribosome from ( Choose]