Translation and Regulation What are the Svedberg values for the subunits of the 70S ribosomes of E. colli? 40S and 30S 50S and 20S 40S and 20S 50S and 30S 40S and 30S 50S and 20S 40S and 20S 50S and 30S ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which of the following molecule catalyzes the transpeptidation reaction? DNA polymerase RNA polymerase Peptidyl transferase DNA ligase DNA polymerase RNA polymerase Peptidyl transferase DNA ligase ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What is the action of tetracycline in prokaryotes? Not known with certainity It blocks peptidyl transferase reaction on ribosomes It blocks the binding of amino-acyl tRNA to the A site of ribosomes It blocks translocation reaction on ribosomes Not known with certainity It blocks peptidyl transferase reaction on ribosomes It blocks the binding of amino-acyl tRNA to the A site of ribosomes It blocks translocation reaction on ribosomes ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which binding is inhibited by pactamycin? Formation of peptide bond in P site Initiator-tRNA to 30S/40S initiation complexes Aminoacyl-tRNA to the A-site of 30S subunit Peptidyl t-RNA to the 50S subunit Formation of peptide bond in P site Initiator-tRNA to 30S/40S initiation complexes Aminoacyl-tRNA to the A-site of 30S subunit Peptidyl t-RNA to the 50S subunit ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Site in the ribosome from which the tRNA donates amino acids to the growing polypeptide chain is O site T site P site A site O site T site P site A site ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Negative regulation of protein synthesis is accomplished by the binding of a repressor to the RNA polymerase the binding of a repressor to the DNA allosteric inhibition the binding of RNA polymerase to the promoter the binding of a repressor to the RNA polymerase the binding of a repressor to the DNA allosteric inhibition the binding of RNA polymerase to the promoter ANSWER DOWNLOAD EXAMIANS APP
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