Translation and Regulation What is the action of tetracycline in prokaryotes? 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 It blocks translocation reaction on ribosomes ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Site in the ribosome from which the tRNA donates amino acids to the growing polypeptide chain is A site P site O site T site A site P site O site T site 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-formylmethionine N-formylleucine N-formylserine N-formylalanine N-formylmethionine N-formylleucine N-formylserine ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which binding is inhibited by pactamycin? Aminoacyl-tRNA to the A-site of 30S subunit Initiator-tRNA to 30S/40S initiation complexes Formation of peptide bond in P site Peptidyl t-RNA to the 50S subunit Aminoacyl-tRNA to the A-site of 30S subunit Initiator-tRNA to 30S/40S initiation complexes Formation of peptide bond in P site Peptidyl t-RNA to the 50S subunit ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What are the Svedberg values for the subunits of the 70S ribosomes of E. colli? 50S and 30S 40S and 30S 40S and 20S 50S and 20S 50S and 30S 40S and 30S 40S and 20S 50S and 20S ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5? Three Four One Two Three Four One Two ANSWER DOWNLOAD EXAMIANS APP
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