Consider this list (below) of steps involved in translation. These steps are out of order. TRANSLATION: 1. the small and large ribosomal sub-units unite 2. two amino acids join together. 3. another tRNA anti-codon bonds with another mRNA codon 4. an initial tRNA bearing a specific amino acid arrives at the ribosome 5. the process continues until a protein molecule is completed 6. at the synthesis site, initial mRNA codons are inserted

Consider this list (below) of steps involved in translation. These steps are out of order. TRANSLATION: 1. the small and large ribosomal sub-units unite 2. two amino acids join together. 3. another tRNA anti-codon bonds with another mRNA codon 4. an initial tRNA bearing a specific amino acid arrives at the ribosome 5. the process continues until a protein molecule is completed 6. at the synthesis site, initial mRNA codons are inserted

Name: Consider this list (below) of steps involved in translation. These ste
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Description: Consider this list (below) of steps involved in translation. These steps are out of order. TRANSLATION: 1. the small and large ribosomal sub-units unite2. two amino acids join together.3. another tRNA anti-codon bonds with another mRNA codon4. an ini

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter13: Gene Expression

Section13.4: Translation

Problem 3C: A certain mRNA strand has the following nucleotide sequence: 5AUGACGUAUAACUUU3 What is the anticodon...

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Briefly describe the function of the following in protein synthesis. a. rRNA b. tRNA c. mRNA
In the gene-coding sequence shown here, which of the following events will produce a frameshift after the last mutational site? a. insertion of an A after the first codon b. deletion of the second codon (AAA) c. insertion of TA after the second codon and deletion of CG in the fourth codon d. deletion of AC in the third codon
Which of the following are stages of translation? Select all that apply. a.As the ribosome moves from codon to codon, amino acids brought by successive tRNAs to the ribosome form a growing polypeptide. b.A tRNA binds to the second codon and its carried amino acid forms a peptide bond with methionine. c.When the ribosome reaches a stop codon, its subunits detach, and the mRNA and new polypeptide are released. d.Ribosomal subunits and a tRNA carrying methionine converge on the start codon of an mRNA. e.The binding of a tRNA to the third codon causes the ribosome to release the first tRNA and move to the next codon.
Which of the following are stages of translation? Select all that apply. A. A tRNA binds to the second codon and its carried amino acid forms a peptide bond with methionine. B. As the ribosome moves from codon to codon, amino acids brought by successive tRNAs to the ribosome form a growing polypeptide. C. When the ribosome reaches a stop codon, its subunits detach, and the mRNA and new polypeptide are released. D. Ribosomal subunits and a tRNA carrying methionine converge on the start codon of an mRNA. E. The binding of a tRNA to the third codon causes the ribosome to release the first tRNA and move to the next codon.
Which of the following best describes the initiation of translation? A. The mRNA binds the large ribosomal subunit. The start codon is identified and an rRNA with methionine is bound to the start codon. B. The mRNA binds the small ribosomal subunit. The start codon is identified and the large subunit is recruited. C. The mRNA binds the small ribosomal subunit. The start codon is identified and a tRNA with methionine is bound to the start codon. D. The mRNA binds the small ribosomal subunit. The start codon is identified and the tRNA with methionine enters the A site.
All of the following are true about translation EXCEPT _____. as the ribosome moves from codon to codon, amino acids brought by successive tRNAs to the ribosome form a growing polypeptide when the ribosome reaches a stop codon, its subunits detach, and the mRNA and new polypeptide are released RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA Ribosomal subunits and a tRNA-carrying methionine converge on the start codon of an mRNA
Which of the following statements about translation is false? In eukaryotes, the 5' cap and the 3' poly(A) tail are involved in translation initiation. Peptidyl-transferase activity during translation is the property of a ribozyme. A base at the first position of an anticodon on the tRNA would pair with a base at the third position of the mRNA. The growing peptide chain is transferred from the tRNA in the P site to the tRNA in the A site. Ribosomes move along an mRNA in the 3’ → 5' direction.
Which of the following statements best describes the initiation of translation? A) The large and small ribosomal subunits scan the mRNA in the 3'–5' direction until the promoter is reached. B) A tRNA with the anticodon, AUG, enters the ribosomal complex and binds to the mRNA at the A site. C) The mRNA containing the start codon, AUG, sits at the P site and forms a complex with the corresponding tRNA, and the large and small ribosomal subunits. D) The mRNA attaches to the large ribosomal subunit and once the start codon reaches the A site, the tRNA binds and the small subunit completes the complex.
Which of the following best describes a sequence of events that happens during the elongation phase of translation? Group of answer choices A charged tRNA enters the P site of a ribosome; a tRNA bound to a peptide moves to the A site; an tRNA bound to a peptide exits the E site. None of these is an accurate description A charged tRNA enters the A site of a ribosome; a tRNA bound to a peptide moves to the P site; an uncharged tRNA exits the E site. An uncharged tRNA enters the A site of a ribosome; a tRNA bound to a peptide moves to the P site; a charged tRNA exits the E site. A charged tRNA enters the A site of a ribosome; a tRNA bound to a peptide moves to the E site; an tRNA bound to a peptide exits the A site.
The process of translation involves three distinct phases: initiation, elongation, and termination. Which of the following is an accurate statement of a molecular event that occurs during one of the phases? A. All phases of translation require the energy of ATP to fuel molecular processes. B. The first components to assemble in initiation are the large ribosomal subunit, mRNA, and the initiator tRNA molecule. C. A peptide bond forms between the new amino acid and the amino acid at the C-terminus of the growing polypeptide chain. D. Amino acids are added to the polypeptide chain that sits in the A site of the translation initiation complex.
Researchers are studying the mechanism of the antibiotic chloramphenicol. They know that it prevents the formation of peptide bonds during translation. A model of the translation process is shown in the diagram. Which of the following describes where in the model chloramphenicol acts to interfere with the production of proteins from DNA? during initiation during elongation during termination during protein release
The codon and anticodon are base-paired together during the process of translation. Which of the following is correct regarding the relationship between anticodon and codon? A. The tRNA anticodon UCU pairs with the AGA mRNA codon. B. The tRNA anticodon is read from the 5’ to the 3’ end. C. A tRNA anticodon can pair with only one mRNA codon. D. The mRNA codon ACG base pairs with the tRNA anticodon TGC.