Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 15, Problem 3TYK
Summary Introduction
Introduction:
Translation is the process, in which the
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If we watched a eukaryotic cell initiate translation, one of the first things we would see is
a.
The small ribosomal subunit binding to the cap
b.
The formation of the 70s initiation complex
c.
The small ribosomal subunit binding to the Shine-Dalgarno sequence
d.
The formation of the 80s initiation complex
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.
1. Translation
a)Explain the role of ribosomes in the process of protein translation.b. Explain the role of tRNA molecules in protein translation.c. Define the following terms:1. codon 2. anticodon. Explain how a codon is used in the process of translation.
Chapter 15 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 15.1 - Prob. 1SBCh. 15.1 - If the codon were five bases long, how many...Ch. 15.2 - For the DNA template below, what would be the...Ch. 15.2 - Prob. 2SBCh. 15.3 - Prob. 1SBCh. 15.3 - Prob. 2SBCh. 15.4 - Prob. 1SBCh. 15.4 - Distinguish between the P, A, and E sites of the...Ch. 15.4 - Prob. 3SBCh. 15.5 - How does a missense mutation differ from a silent...
Ch. 15.5 - Prob. 2SBCh. 15.5 - Prob. 3SBCh. 15.5 - Prob. 4SBCh. 15 - Eukaryotic mRNA: usessnRNPs to cut out introns and...Ch. 15 - A segment of a strand of DNA has a base sequence...Ch. 15 - Prob. 3TYKCh. 15 - Prob. 4TYKCh. 15 - Which of the following statements is false? a. GTP...Ch. 15 - Prob. 6TYKCh. 15 - Prob. 7TYKCh. 15 - Prob. 8TYKCh. 15 - Prob. 9TYKCh. 15 - A part of an mRNA molecule with the sequence 5-UGC...Ch. 15 - Discuss Concepts A mutation occurs that alters an...Ch. 15 - Discuss Concepts The normal form of a gene...Ch. 15 - Prob. 13TYKCh. 15 - Prob. 14TYKCh. 15 - Prob. 15TYKCh. 15 - Prob. 16TYKCh. 15 - Prob. 17TYKCh. 15 - Prob. 1ITD
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- 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.arrow_forwardThe primary function of RF1 during translation is to: a. recognize a stop codon in the 70S A site during termination. b. recognize the start codon in the 70S P site during initiation. c. move tRNAs and mRNA through the ribosome during elongation. d. facilitate binding of the ribosome to mRNA during initiation.arrow_forwardResearchers 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? A - during initiationB - during elongationC = during terminationD = during protein releasearrow_forward
- The initiation factors a. help assembling both ribosomal subunits with mRNA and initiator tRNA b. help with the peptide bond formation c. help starting the translation elongation d. are responsible for the initiation of ribosome translocationarrow_forwardThe codon UUU in an mRNA molecule which results in phenylalanine being inserted as the protein is made. Which will be a characteristic of this codon? a. The tRNA molecule that binds to the UUU codon must have an AAA anticodon. Nde ba e2? b. UUU could code for both phenylalanine and alanine during translation. c. The aminoacyl-tRNA synthetase for phenylalanine binds only the UUU codon. d. UUU is probably only one of several codons that code for phenylalanine.arrow_forwardDuring translation, when a stop codon is read on the mRNA strand at the ribosome... a the mRNA is digested by a protease complex b a repressor attached to the ribosome that inhibits the movement of the ribosome along the mRNA c the enzyme helicase binds to terminate the polypeptide d a release factor enters the A site of the ribosome and stimulates the disassembly of the translation complex Codons are... a triplets coding for a single amino acid. b redundant in their coding for various amino acids. c matched with anticodons during translation d triplets found on transfer RNA Question 6 (1 point) In order to produce many copies of the same protein in a short period of time, the cell uses... a intron self-splicing. b many RNA polymerase molecules to produce multiple mRNA transcripts at the same time. c single-unit ribosomes for high speed translation. d codon-anticodon reciprocal…arrow_forward
- 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.arrow_forwardThe release factors RF1 and RF2 are required for a. translation termination b. the realease of the aminoacid from the tRNA c. translation elongation d. translation initiationarrow_forwardConsidering the given sequence of nucleotides in an mRNA molecule, (a) what is the sequence of the DNA template strand from which the RNA was synthesized? (b) What peptide is synthesized by this mRNA sequence? 5' GAG CCC GUA UAC GCC ACG 3'arrow_forward
- What happens immediately after the initiation complex forms during translation? (a) peptide bond formation (b) the DNA associated with the promoter unwinds (c) the small and large subunits of the ribosome come together (d) primers are formed (e) phosphodiester bond formationarrow_forwarda) what is the genetic code and explain the properties b) list the difference between eukaryotic and prokaryotic translation initiation c) explain the role E.coli translation elongation factors.arrow_forwardTranslation of the dna sequence AAGCTGGGA would result in: A) a DNA strand with the base sequence TTCGACCCT B) an mRNA strand with the sequence TTCGACCCT C) a sequence of three amino acids linked by peptide bonds D) an mRNA strand with the sequence UUGCACCCUarrow_forward
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