Homework Answers
Answer E. the EF-G protein.
The translocation of bacterial ribosomes along the mRNA molecule is catalyzed by the Elongation factor G(EF-G protein).
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Part A Which protein is specifically required for translocation of a bacterial ribosome along the mRNA?...
Match the following choices to the questions below. UUU catalyzes translocation of the ribosome involved in...
Match the following choices to the questions below. UUU catalyzes translocation of the ribosome involved in transcription associated with the binding of mRNA in the ribosome binds to Shine-Dalgarno sequence involved in replication contains information in the form of anticodons catalyzes the formation of amino acid-AMP AUG UAG binds to pribnow box catalyzes formation of peptide bonds catalyzes disassembly of the translation complex associated with the binding of tRNA in the ribosome catalyzes disassembly of the transcription complex start codon...
Which of the following statements about the enzymes that take part in prokaryotic protein synthesis is...
Which of the following statements about the enzymes that take part in prokaryotic protein synthesis is correct? Peptidyl transferase is a protein that carries out its action by a mechanism involved in mimicking a tRNA. EF-G, the factor in the translocation of prokaryotic protein synthesis, is a protein that carries out its action by a mechanism that mimicks an amino acyltRNA-EF-Tu-GTP complex. EF-G, the factor involved in prokaryotic protein synthesis, mimicks EF- Tu because they both bind GTP. EF-Tu, the...
Tetracycline inhibits protein synthesis by which mechanism? It interacts with the small ribosomal subunit, blocking access...
Tetracycline inhibits protein synthesis by which mechanism? It interacts with the small ribosomal subunit, blocking access of the aminoacyl-tRNA to the mRNA-ribosome complex. It binds to the 305 subunit and distorts its structure, interfering with the initiation of protein synthesis. It binds irreversibly to a site on the 50S subunit of the bacterial ribosome, thus inhibiting translocation. It inactivates the eukaryotic elongation factor, eEF-2, thus preventing translocation.
To appreciate the magnitude of the cellular energy expenditure associated with translation, calculate the minimum number...
To appreciate the magnitude of the cellular energy expenditure associated with translation, calculate the minimum number of nucleotide triphosphate molecules that are hydrolyzed in the synthesis of a 200-amino-acid bacterial protein. Fill in your answers as numbers below (i.e., 2, 20, 200, 300, etc.) in the prompts below. . For each amino acid, ATP is hydrolyzed during activation for tRNA charging. GTP is hydrolyzed per initiation event by IF-2. GTP is hydrolyzed during EF-Tu mediated binding of tRNAs to the...
which of the following components are found in the reactions for protein translation activation? Which of...
which of the following components are found in the
reactions for protein translation activation?
Which of the following components is found in the reactions for protein translation activation? tRNA Met 60S ribosomal subunit free amino acid releasing factor proteins free tRNA О АТР peptidyl transferase aminoacyl-tRNA synthetase 40S ribosomal subunit mRNA An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer. Submit Answer Retry Entire Group 9 more group attempts remaining acer DO...
which of the following components are found in the reactions for protein translation termination? References] Use...
which of the following components are found in the
reactions for protein translation termination?
References] Use the References to access important values if needed for this question. Which of the following components are found in the reactions for protein translation termination? free amino acid 40S ribosomal subunit ATP Ofree tRNA O releasing factor proteins peptidyl transferase 60S ribosomal subunit aminoacyl-tRNA synthetase ot Visited O mRNA RNA Met Submit Answer Retry Entire Group 9 more group attampts remaining 929A 11/9/2w acer
11. Describe one way in which the prokaryotic ribosome ensures that the correct charged tRNA is...
11. Describe one way in which the prokaryotic ribosome ensures that the correct charged tRNA is retained with the A site of the ribosome. 3 pts 12. At the end of eukaryotic translation initiation, eIF4 proteins are still bound to the 5’ cap of the mRNA. Why isn’t this set of initiation factors released when all other initiation factors are released? 2 pts 13. Consider the GTP/GDP cycling of EF-Tu What does EF-Tu initially bind to in its GTP-bound state?...
The antibiotic erythromycin disrupts protein synthesis by preventing ribosomal translocation (movement of the ribosome relative to...
The antibiotic erythromycin disrupts protein synthesis by preventing ribosomal translocation (movement of the ribosome relative to the mRNA). It does not affect any other step in protein synthesis. Suppose you are doing a translation reaction in vitro and you add erythromycin just before the 3rd peptide bond is about to be made. You wait a few minutes and look at the ribosome. Circle the correct answer: a. The carboxyl end of AA #3 should now be covalently bonded directly to:...
Part A Which of the following statements is NOT true of aminoacyl-tRNA synthetases? They activate the...
Part A Which of the following statements is NOT true of aminoacyl-tRNA synthetases? They activate the amino acid and covalently bond it to the mature tRNA. They attach the amino acid to the CCA at the 3'-end of the mature tRNA. They attach the amino acid to the elongating peptide and catalyze translocation. Each member of this protein family is dedicated to one particular amino acid. They are primarily responsible for the accuracy of mRNA translation Submit Request Answer Provide...
QUESTION 15 Antibiotics have been very useful in elucidating the steps of protein synthesis. If you...
QUESTION 15 Antibiotics have been very useful in elucidating the steps of protein synthesis. If you have an artificial mRNA with the sequence 5'-AUGGGGGGGGGG..., it will produce the following peptide in a cell-free, protein synthesizing system: fMet-Gly-Gly-Gly-Gly.... In your search for new antibiotics, you find one that blocks protein synthesis. When the same artificial mRNA is added to the cell free system with the antibiotic, only the dipeptide product: fMet-Gly is produced. Which step in protein synthesis could this antibiotic...
Match the following choices to the questions below. UUU catalyzes translocation of the ribosome involved in transcription associated with the binding of mRNA in the ribosome binds to Shine-Dalgarno sequence involved in replication contains information in the form of anticodons catalyzes the formation of amino acid-AMP AUG UAG binds to pribnow box catalyzes formation of peptide bonds catalyzes disassembly of the translation complex associated with the binding of tRNA in the ribosome catalyzes disassembly of the transcription complex start codon...
Which of the following statements about the enzymes that take part in prokaryotic protein synthesis is correct? Peptidyl transferase is a protein that carries out its action by a mechanism involved in mimicking a tRNA. EF-G, the factor in the translocation of prokaryotic protein synthesis, is a protein that carries out its action by a mechanism that mimicks an amino acyltRNA-EF-Tu-GTP complex. EF-G, the factor involved in prokaryotic protein synthesis, mimicks EF- Tu because they both bind GTP. EF-Tu, the...
Tetracycline inhibits protein synthesis by which mechanism? It interacts with the small ribosomal subunit, blocking access of the aminoacyl-tRNA to the mRNA-ribosome complex. It binds to the 305 subunit and distorts its structure, interfering with the initiation of protein synthesis. It binds irreversibly to a site on the 50S subunit of the bacterial ribosome, thus inhibiting translocation. It inactivates the eukaryotic elongation factor, eEF-2, thus preventing translocation.
To appreciate the magnitude of the cellular energy expenditure associated with translation, calculate the minimum number of nucleotide triphosphate molecules that are hydrolyzed in the synthesis of a 200-amino-acid bacterial protein. Fill in your answers as numbers below (i.e., 2, 20, 200, 300, etc.) in the prompts below. . For each amino acid, ATP is hydrolyzed during activation for tRNA charging. GTP is hydrolyzed per initiation event by IF-2. GTP is hydrolyzed during EF-Tu mediated binding of tRNAs to the...
which of the following components are found in the
reactions for protein translation activation?
Which of the following components is found in the reactions for protein translation activation? tRNA Met 60S ribosomal subunit free amino acid releasing factor proteins free tRNA О АТР peptidyl transferase aminoacyl-tRNA synthetase 40S ribosomal subunit mRNA An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer. Submit Answer Retry Entire Group 9 more group attempts remaining acer DO...
which of the following components are found in the
reactions for protein translation termination?
References] Use the References to access important values if needed for this question. Which of the following components are found in the reactions for protein translation termination? free amino acid 40S ribosomal subunit ATP Ofree tRNA O releasing factor proteins peptidyl transferase 60S ribosomal subunit aminoacyl-tRNA synthetase ot Visited O mRNA RNA Met Submit Answer Retry Entire Group 9 more group attampts remaining 929A 11/9/2w acer
Part A Which of the following statements is NOT true of aminoacyl-tRNA synthetases? They activate the amino acid and covalently bond it to the mature tRNA. They attach the amino acid to the CCA at the 3'-end of the mature tRNA. They attach the amino acid to the elongating peptide and catalyze translocation. Each member of this protein family is dedicated to one particular amino acid. They are primarily responsible for the accuracy of mRNA translation Submit Request Answer Provide...
QUESTION 15 Antibiotics have been very useful in elucidating the steps of protein synthesis. If you have an artificial mRNA with the sequence 5'-AUGGGGGGGGGG..., it will produce the following peptide in a cell-free, protein synthesizing system: fMet-Gly-Gly-Gly-Gly.... In your search for new antibiotics, you find one that blocks protein synthesis. When the same artificial mRNA is added to the cell free system with the antibiotic, only the dipeptide product: fMet-Gly is produced. Which step in protein synthesis could this antibiotic...
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