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 The nonsense codon(s) is/are UAG all of these UAA UGA UAG all of these UAA UGA ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Which of the following modified amino acid is used at the starting of most prokaryotic proteins? N-formylserine N-formylleucine N-formylmethionine N-formylalanine N-formylserine N-formylleucine N-formylmethionine N-formylalanine ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation A quorum sensing system detects a signal from the external environment consists of a sensor component that phosphorylates a regulatory protein senses a compound produced by the bacterium itself controls the activity of ribosomes directly detects a signal from the external environment consists of a sensor component that phosphorylates a regulatory protein senses a compound produced by the bacterium itself controls the activity of ribosomes directly 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 stagerivity Wobble hypothesis promiscuity adaptor hypothesis stagerivity Wobble hypothesis promiscuity adaptor hypothesis ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation The ribosome binding site is located immediately upstream of the start codon is located upstream of the promoter sequence is more likely to be associated with an operon than with a gene encoding a single protein forms a stem-loop structure in the RNA is located immediately upstream of the start codon is located upstream of the promoter sequence is more likely to be associated with an operon than with a gene encoding a single protein forms a stem-loop structure in the RNA ANSWER DOWNLOAD EXAMIANS APP
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