Translation and Regulation Negative regulation of protein synthesis is accomplished by the binding of RNA polymerase to the promoter allosteric inhibition the binding of a repressor to the DNA the binding of a repressor to the RNA polymerase the binding of RNA polymerase to the promoter allosteric inhibition the binding of a repressor to the DNA the binding of a repressor to the RNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What is the direct cause of cell death by diphtheria toxin? Inactivation of a translational elongation factor None of these Formation of an ion channel in the cell membrane Induction of apoptosis Inactivation of a translational elongation factor None of these Formation of an ion channel in the cell membrane Induction of apoptosis 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 promiscuity adaptor hypothesis stagerivity Wobble hypothesis promiscuity adaptor hypothesis stagerivity Wobble hypothesis ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which of the following modified amino acid is used at the starting of most prokaryotic proteins? N-formylmethionine N-formylalanine N-formylleucine N-formylserine N-formylmethionine N-formylalanine N-formylleucine N-formylserine ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which of the following molecule catalyzes the transpeptidation reaction? Peptidyl transferase DNA ligase DNA polymerase RNA polymerase Peptidyl transferase DNA ligase DNA polymerase RNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which of the following defines an open reading frame (ORF)? A plasmid vector used in genome sequencing A possible gene predicted by DNA sequencing A sequence of genome in bacteriophage The sequence of a complete genome A plasmid vector used in genome sequencing A possible gene predicted by DNA sequencing A sequence of genome in bacteriophage The sequence of a complete genome ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS