Translation and Regulation What is the action of tetracycline in prokaryotes? It blocks translocation reaction on ribosomes It blocks peptidyl transferase reaction on ribosomes It blocks the binding of amino-acyl tRNA to the A site of ribosomes Not known with certainity It blocks translocation reaction on ribosomes It blocks peptidyl transferase reaction on ribosomes It blocks the binding of amino-acyl tRNA to the A site of ribosomes Not known with certainity ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which binding is inhibited by pactamycin? Peptidyl t-RNA to the 50S subunit Initiator-tRNA to 30S/40S initiation complexes Formation of peptide bond in P site Aminoacyl-tRNA to the A-site of 30S subunit Peptidyl t-RNA to the 50S subunit Initiator-tRNA to 30S/40S initiation complexes Formation of peptide bond in P site Aminoacyl-tRNA to the A-site of 30S subunit ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which of the following modified amino acid is used at the starting of most prokaryotic proteins? N-formylalanine N-formylserine N-formylleucine N-formylmethionine N-formylalanine N-formylserine N-formylleucine N-formylmethionine ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which of the following three codons translate as serine (Ser)? CGA AGU CAU AUG CGA AGU CAU AUG ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation The interaction between the mRNA and tRNA determined the position of amino acid in a polypeptide sequence. This is called the adaptor hypothesis Wobble hypothesis stagerivity promiscuity adaptor hypothesis Wobble hypothesis stagerivity promiscuity ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What was the first bacterial genome to be sequenced and made public? Haemophilus influenzae No bacterial genome has been sequenced yet Bacillus subtilis Escherichia coli Haemophilus influenzae No bacterial genome has been sequenced yet Bacillus subtilis Escherichia coli ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS