Translation and Regulation What is the direct cause of cell death by diphtheria toxin? None of these Inactivation of a translational elongation factor Induction of apoptosis Formation of an ion channel in the cell membrane None of these Inactivation of a translational elongation factor Induction of apoptosis Formation of an ion channel in the cell membrane ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation The final step of gene expression is protein synthesis, which is also known as translation transcription none of these replication translation transcription none of these replication ANSWER DOWNLOAD EXAMIANS APP
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 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 Not known with certainity ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation A quorum sensing system 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 detects a signal from the external environment consists of a sensor component that phosphorylates a regulatory protein ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation The role of molecular chaperones is to degrade newly synthesized polypeptides that contain inaccurate sequences facilitate binding of RNA polymerase to DNA aid a newly synthesized polypeptide in folding to its proper shape facilitate binding of ribosomes to mRNA degrade newly synthesized polypeptides that contain inaccurate sequences facilitate binding of RNA polymerase to DNA aid a newly synthesized polypeptide in folding to its proper shape facilitate binding of ribosomes to mRNA ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5? One Two Three Four One Two Three Four ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS