Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 15, Problem 3A
The enzyme that forms peptide bonds is called peptidyl transferase because it transfers
a. a new amino acid from a tRNA to the growing peptide.
b. the growing peptide from a tRNA to the next amino acid.
c. the peptide from one amino acid to another.
d. the peptide from the ribosome to a charged tRNA.
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Students have asked these similar questions
The enzyme Aminoacyl tRNA synthetase
a. is very specific, recognizes only amino acids
b. adds amino acids to the tRNA anticodon
c. is very specific, there is only one enzyme per cell
d. is very specific, recognizes only one amino acid
Which of the following is true about tRNA?
Select one:
A.
All tRNAs have a CCA sequence at the 3'-end.
B.
All tRNAs have a CCG sequence at the 5'-end.
C.
All tRNAs have a CAC sequence at the 3'-end.
D.
All tRNAs have a CCA sequence at the 5'-end.
E.
All tRNAs have a CCG sequence at the 3'-end.
Which of the following regions on the tRNA are composed of a sequence of nucleotides?
a. anticodon that binds to codon in mRNA
b. anticodon that binds to codon in ribosomes
c. anticodon that binds to codon in tRNA synthetase
d. none of the above
Chapter 15 Solutions
Biology
Ch. 15.1 - Prob. 1LOCh. 15.1 - Prob. 2LOCh. 15.1 - List the roles played by RNA in gene expression.Ch. 15.2 - Prob. 1LOCh. 15.2 - Describe the characteristics of the genetic code.Ch. 15.2 - Prob. 3LOCh. 15.3 - Prob. 1LOCh. 15.3 - Differentiate among initiation, elongation, and...Ch. 15.3 - Prob. 3LOCh. 15.4 - Prob. 1LO
Ch. 15.4 - Prob. 2LOCh. 15.4 - Explain the differences between bacterial and...Ch. 15.5 - Prob. 1LOCh. 15.5 - Prob. 2LOCh. 15.5 - Prob. 3LOCh. 15.6 - Explain why the tRNA charging reaction is critical...Ch. 15.6 - Prob. 2LOCh. 15.7 - Prob. 1LOCh. 15.7 - Prob. 2LOCh. 15.7 - Compare translation on the RER and in the...Ch. 15.9 - Prob. 1LOCh. 15.9 - Explain the nature of triplet repeat expansion.Ch. 15.9 - Prob. 3LOCh. 15 - Prob. 1DACh. 15 - Prob. 2DACh. 15 - Prob. 1IQCh. 15 - Prob. 2IQCh. 15 - Prob. 3IQCh. 15 - The experiments with nutritional mutants in...Ch. 15 - What is the central dogma of molecular biology? a....Ch. 15 - In the genetic code, one codon a. consists of...Ch. 15 - Eukaryotic transcription differs from prokaryotic...Ch. 15 - An anticodon would be found on which of the...Ch. 15 - RNA polymerase binds to a ________ to initiate...Ch. 15 - During translation, the codon in mRNA is actually...Ch. 15 - You have mutants that all affect the same...Ch. 15 - The splicing process a. occurs in prokaryotes. b....Ch. 15 - The enzyme that forms peptide bonds is called...Ch. 15 - In comparing gene expression in prokaryotes and...Ch. 15 - The codon CCA could be mutated to produce a. a...Ch. 15 - An inversion will a. necessarily cause a mutant...Ch. 15 - What is the relationship between mutations and...Ch. 15 - Prob. 1SCh. 15 - Frameshift mutations often result in truncated...Ch. 15 - Describe how each of the following mutations will...Ch. 15 - There are a number of features that are unique 10...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A particular tRNA is mutated so that the amino acid attachment cannot bind with the aminoacyl-tRNA synthase. What happens when an mRNA transcript contains the codon for this TRNA? O A. The tRNA will not bind to this codon. O B. Translation stops and the protein is released. O Č. The wrong tRNA is added to the protein chain. D. Translation stops and the protein remains bound to the ribosome. vered MacBook Air 80 F3 D00 D00 F4 F2 F5 % & 23arrow_forwardOnce a peptide bond has been formed between the amino acid attached to the TRNA in the P site and the amino acid associated with the TRNA in the A site, what process occurs next? a. translocation of the ribosome along the mRNA b. binding of a new tRNA in the E site C. scanning for the start codon d. release of the peptide from the TRNAarrow_forwardIn which of the ribosomal sites, the A site, P site, and/or E site, could the following be found? A. A tRNA without an amino acid attached B. A tRNA with a polypeptide attached C. A tRNA with a single amino acid attachedarrow_forward
- 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.arrow_forwardA particular tRNA is mutated so that the amino acid attachment cannot bind with the aminoacyl-tRNA synthase. What happens when an mRNA transcript contains the codon for this tRNA? A. The tRNA will not bind to this codon. B. Translation stops and the protein is released. C The wrong tRNA is added to the protein chain. D. Translation stops and the protein remains bound to the ribosome.arrow_forwardWhich of the following BEST describes the characteristics and function of siRNA? A. a short strand of RNA that can complement and inactivate a sequence of mRNA B. a short strand of RNA that can act as a transcription factor to initiate transcription C. a strand of DNA that can bind to and inactivate an mRNA sequence D. a tRNA that is not able to attach to a ribosome and therefore inhibits the process of translationarrow_forward
- Which of the following nucleotide triplets best represents a codon? A. A triplet in the middle of a ribosomal RNA molecule B. A triplet separated spatially from other triplets C. A triplet in the same reading frame as an upstream AUG D. A triplet at the opposite end of tRNA from the attachment site of the amino acid E. A sequence in tRNA at the 3’ endarrow_forwardFor each of the following, identify the type of RNA involved (mRNA, rRNA, or tRNA). a. Transports the correct amino acid to the ribosome, using the information encoded in the mRNA. b. Is a major component of ribosomes. c. Specifies the order of amino acids in a protein, using a series of three-base codons, where different amino acids are specified by particular codons. d. Contains a three-base anticodon that pairs with a complementary codon revealed in the mRNA. e. Assists in making the bonds that link amino acids together to make a protein.arrow_forwardThe peptide bond formation a. occurs when two tRNAs are located inside the P and A site in the ribosome b. occurs when the anticodon recognizes the codon c. occurs when two tRNAs come in close proximity in the cell d. occurs with the help of the tRNAase enzymearrow_forward
- Which part of a tRNA molecule acts as an amino acid attachment site? a. the 5' end b. the 3' end c. the anticodon d. any of thesearrow_forwardWhich of the following best describes tRNA? a. Provides the instructions for the amino acid sequence of a polypeptide b. Complexes with ribosomal proteins to form ribosomes c. Used for eukaryotic RNA processing d. Transports amino acids to ribosomes during translationarrow_forwardThe tRNA is the site on the tRNA molecule that is complementary to a given codon found in the mRNA. This allows the tRNA to bind to the mRNA and deposit its amino acid. O a. Active site b. Aminase O O d. Anticodon O c. Peptide site e. None of the abovearrow_forward
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