BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 15, Problem 5U
An anticodon would be found on which of the following types of RNA?
a. snRNA (small nuclear RNA)
b. mRNA (messenger RNA)
c. tRNA (transfer RNA)
d. rRNA (ribosomal RNA)
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Which 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 translation
Which 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 translation
Which enzyme links amino acids to the 3’ OH group of an RNA?
(a) ribozyme (b) peptidyl transferase (c) DNA polymerase I (d) RNA polymerase II (e) amino-acyl tRNA synthetase
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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- a. Give the sequence of mRNA that would be transcribed off of the bottom strand and label its 5' and 3' ends. b. translate this RNA sequence in 1a into a protein sequence c. Give the sequence of mRNA that would be transcribed off of the top strand and label its 5' and 3' ends. d. Translate this RNA sequence in 1c into a protein sequencearrow_forwardIf you imagine a messenger RNA molecule in the cytoplasm of a cell, which of the following will likely affect how much protein is made by translation of this message? A. The presence of appropriate snRNPs. B. The length of the polyA tail. C. The strength of hydrogen bonds holding the mRNA to ribosomal RNA. D. The ability of the mRNA to pair with itself to form a helix-turn-helix structure.arrow_forwardWhich of the following is the definition of a gene? A. RNA that delivers amino acids to a ribosome during translation B. A unit of information encoded in the sequence of nucleotide bases in DNA C. The RNA component of ribosomes D. RNA that carries a protein-building messagearrow_forward
- If one wanted to engineer cells capable of translating proteins from a 4-base codon, which part of these parts of the cell would NOT have to be re-engineered? a)RNA Polymerase b)Ribosome c)tRNAs d)tRNA synthetasesarrow_forwardWhat is the base sequence of a mRNA strand that is complementary to the DNA sequence 5'-ATCGGATTC-3' sequence? a5'-ATCGGATTC-3' b5'-GAAUCCGAU-3' c5'-GAATCCGAT-3' d5'-UAGCCUAAG-3'arrow_forwardWhich enzyme is responsible for the synthesis of pre-mRNA? A. RNA polymerase I B. RNA polymerase II C. RNA polymerase III D. RNA polymerasearrow_forward
- Which of the following arms of t-RNA is required for recognition of the t-RNA by its proper aminoacyl t-RNA synthetase? a. Anti-codon arm b. T(psi)C arm c. D arm d. Acceptor armarrow_forwardPortions of eukaryotic mRNA sequence that are removed during RNA processing are . a. exons b. caps c. poly-A tails d. intronsarrow_forwardIn 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 codonarrow_forward
- Given the following tRNA anticodon sequence, derive the mRNA and the DNA template strand. Also, write out the amino acid sequence of the protein encoded by this message. tRNA: UAC UCU CGA GGC mRNA: protein: How many hydrogen bonds would be present in the DNA segment?arrow_forwardAminoacyl-tRNA is a key player in the translation process. Which of the following is the ONE component of this molecule that is unique? A. the codon B. the anticodon C. the amino acid D. the amino acid attachment sitearrow_forwardOf the following, which is a modification made to the pre-mRNA of eukaryotes before translation? a. The 5’ end receives a poly-A tail b. All of the above c. The 3’ end receives a cap d. Introns are cut out and exons are spliced togetherarrow_forward
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