Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 17, Problem 7TYK
Summary Introduction
Introduction: Enzymes are the biocatalyst that increases the
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If a tRNA has an anticodon with the sequence 5′-CAG-3′, which amino acid does it carry?
a. Aspartic acid c. Leucine
b. Valine d. Glutamine
Which molecule contains the genetic code?
A. rDNA
B. rRNA
C.Ribosome
D. mRNA
E. tRNA
Which of these features is found in eukaryotes but not bacteria?a. polygene mRNAs
b. introns
c. stop codon
d. AUG codon
Chapter 17 Solutions
Study Guide for Campbell Biology
Ch. 17 - a. In what three ways does RNA differ from DNA? b....Ch. 17 - Prob. 2IQCh. 17 - Prob. 3IQCh. 17 - How does the mRNA that leaves the nucleus differ...Ch. 17 - Prob. 5IQCh. 17 - In the following diagrams of polypeptide...Ch. 17 - What determines if a ribosome becomes bound to the...Ch. 17 - Define the following terms and explain what type...Ch. 17 - You have been introduced to several types of RNA...Ch. 17 - Prob. 2SYK
Ch. 17 - What is the genetic code? Explain redundancy and...Ch. 17 - Prepare a concept map showing the types and...Ch. 17 - Prob. 1TYKCh. 17 - Transcription involves the transfer of information...Ch. 17 - Prob. 3TYKCh. 17 - Prob. 4TYKCh. 17 - Which of the following is a statement of the...Ch. 17 - Prob. 6TYKCh. 17 - Prob. 7TYKCh. 17 - Prob. 8TYKCh. 17 - Which of the following is true of RNA processing?...Ch. 17 - Prob. 10TYKCh. 17 - Prob. 11TYKCh. 17 - Prob. 12TYKCh. 17 - Prob. 13TYKCh. 17 - Prob. 14TYKCh. 17 - What type of bonding is responsible for...Ch. 17 - Prob. 16TYKCh. 17 - Prob. 17TYKCh. 17 - Prob. 18TYKCh. 17 - Prob. 19TYKCh. 17 - Prob. 20TYKCh. 17 - Prob. 21TYKCh. 17 - Prob. 22TYKCh. 17 - Prob. 23TYKCh. 17 - Prob. 24TYKCh. 17 - Prob. 25TYKCh. 17 - Prob. 26TYKCh. 17 - Prob. 27TYKCh. 17 - Prob. 28TYK
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- 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? 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 statement BEST DESCRIBES the tRNA structure? A. Amino acids bind to the 5′ end of the tRNA molecule. B. When a tRNA has an amino acid attached to it, it is considered to be a charged tRNA C. Synthetases are not important to tRNA D. Amino acids are linked to tRNAs with hydrogen bondsarrow_forwardIf eukaryotes have monocistronic genes, why is the number of known proteins more than the number of known genes? A. Post-translational modification B. Alternative splicing C. Base substitution D. Post-transcriptional modificationarrow_forward
- Which pre-mRNA processing step is important for initiating translation? a. poly-A tail b. RNA editing c. splicing d. 7-methylguanosine caparrow_forwardWhich sequences are spliced out of the mRNA strand before leaving the nucleus? In other words, which sequences are not part of the code for the amino acids? a. exons b. intronsarrow_forwardChoose the correct function of tRNA. A. TRNAS are an intermediate stage of RNA processing where introns have been removed but polyadenylation has not occurred yet B. TRNAS are small RNAS that regulate gene expression C. TRNAS bring amino acids to the ribosome for addition to the growing polypeptide chain D. tRNA is a major structural component of the ribosomearrow_forward
- The AUC and AUA codons in mRNA both specify isoleucine. What feature of the genetic code explains this? a. complementarity b. nonsense codons c. universality d. degeneracyarrow_forwardWhich statement is true about RNA polymerase (which is required for transcription)? A. RNA polymerase does not require a primer to initiate the synthesis of RNA. B. RNA polymerase uses deoxyribonucleoside triphosphates. C. RNA polymerase is not an enzyme. D. RNA polymerase does not require a template.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
- Once 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_forward8) Which of these describes the function of RNA polymerase? A. Amplifies the “message" by making multiple copies of an mRNA molecule after it has been transcribed from DNA B. Converts a protein sequence to mRNAarrow_forwardRefer to the figure to answer these questions:a. Add labels for mRNA (including the 5′ and 3′ ends) and tRNA. Inaddition, draw in the RNA polymerase enzyme and the ribosomes,including arrows indicating the direction of movement for each.b. What are the next three amino acids to be added to polypeptide b?c. Fill in the nucleotides in the mRNA complementary to thetemplate DNA strand.d. What is the sequence of the DNA complementary to the templatestrand (as much as can be determined from the figure)?e. Does this figure show the entire polypeptide that this geneencodes? How can you tell?f. What might happen to polypeptide b after its release from theribosome?g. Does this figure depict a prokaryotic or a eukaryotic cell? How canyou tell?arrow_forward
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