Translation and Regulation What is the action of tetracycline in prokaryotes? It blocks translocation reaction on ribosomes Not known with certainity It blocks the binding of amino-acyl tRNA to the A site of ribosomes It blocks peptidyl transferase reaction on ribosomes It blocks translocation reaction on ribosomes Not known with certainity It blocks the binding of amino-acyl tRNA to the A site of ribosomes It blocks peptidyl transferase reaction on ribosomes ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation What is the direct cause of cell death by diphtheria toxin? None of these Inactivation of a translational elongation factor Formation of an ion channel in the cell membrane Induction of apoptosis None of these Inactivation of a translational elongation factor Formation of an ion channel in the cell membrane Induction of apoptosis ANSWER DOWNLOAD EXAMIANS APP
Translation and Regulation Site in the ribosome from which the tRNA donates amino acids to the growing polypeptide chain is O site P site T site A site O site P site T site A site 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 20S 50S and 30S 40S and 30S 50S and 20S 40S and 20S 50S and 30S 40S and 30S 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-formylserine N-formylalanine N-formylleucine N-formylmethionine N-formylserine N-formylalanine N-formylleucine 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? Four One Two Three Four One Two Three ANSWER DOWNLOAD EXAMIANS APP
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