Translation and Regulation Negative regulation of protein synthesis is accomplished by the binding of a repressor to the DNA the binding of RNA polymerase to the promoter allosteric inhibition the binding of a repressor to the RNA polymerase the binding of a repressor to the DNA the binding of RNA polymerase to the promoter allosteric inhibition the binding of a repressor to the RNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Three stop codons, which aids in termination of translation are also known as missense codons nonsense codons antisense codons pause codons missense codons nonsense codons antisense codons pause codons ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What is the direct cause of cell death by diphtheria toxin? Formation of an ion channel in the cell membrane Inactivation of a translational elongation factor None of these Induction of apoptosis Formation of an ion channel in the cell membrane Inactivation of a translational elongation factor None of these Induction of apoptosis 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 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 of the termination codon is called amber? UAG AUG UAA UGA UAG AUG UAA UGA ANSWER DOWNLOAD EXAMIANS APP