Translation and Regulation Which of the following molecule catalyzes the transpeptidation reaction? DNA ligase DNA polymerase Peptidyl transferase RNA polymerase DNA ligase DNA polymerase Peptidyl transferase RNA polymerase 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 translocation reaction on ribosomes It blocks the binding of amino-acyl tRNA to the A site of ribosomes Not known with certainity It blocks peptidyl transferase reaction on ribosomes It blocks translocation reaction on ribosomes It blocks the binding of amino-acyl tRNA to the A site of ribosomes ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What are the Svedberg values for the subunits of the 70S ribosomes of E. colli? 50S and 20S 40S and 30S 40S and 20S 50S and 30S 50S and 20S 40S and 30S 40S and 20S 50S and 30S ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation The ribosome binding site is located upstream of the promoter sequence forms a stem-loop structure in the RNA is located immediately upstream of the start codon is more likely to be associated with an operon than with a gene encoding a single protein is located upstream of the promoter sequence forms a stem-loop structure in the RNA is located immediately upstream of the start codon is more likely to be associated with an operon than with a gene encoding a single protein ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation The development of global regulatory systems in prokaryotes determines the exact location of the replication site determines the exact location of the cell on the globe regulates many genes under varying environmental conditions aids in DNA replication determines the exact location of the replication site determines the exact location of the cell on the globe regulates many genes under varying environmental conditions aids in DNA replication ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation The role of molecular chaperones is to facilitate binding of ribosomes to mRNA facilitate binding of RNA polymerase to DNA degrade newly synthesized polypeptides that contain inaccurate sequences aid a newly synthesized polypeptide in folding to its proper shape facilitate binding of ribosomes to mRNA facilitate binding of RNA polymerase to DNA degrade newly synthesized polypeptides that contain inaccurate sequences aid a newly synthesized polypeptide in folding to its proper shape ANSWER DOWNLOAD EXAMIANS APP