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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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
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.
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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- Which 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_forwardWhich process does NOT use a specific nucleotide sequence for activity? please explain the answer a.replication initiation b.DNA helicase unwinding c.transcriptional termination d.translational terminationarrow_forwardWhich pre-mRNA processing step is important for initiating translation? a. poly-A tail b. RNA editing c. splicing d. 7-methylguanosine caparrow_forward
- Which 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_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_forwardBelow is a segment of RNA, transcribed from a DNA sequence. Use the codonchart to help answer the questions below. 5’ AUG/CCU/ACG/GAC/UGG/CCU 3’ a. What polypeptide would be generated by this sequence? b. The RNA is mutated to: 5’ AUGCCCACGGACUGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. c. The RNA is mutated to: 5’ AUGCCUACGGACGGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. d. The RNA is mutated to: 5’ AUGCCUACGGACUGACCU 3’. What type of mutationhas occurred? Show the new polypeptide chain.arrow_forward
- Which enzyme is responsible for the synthesis of pre-mRNA? A. RNA polymerase I B. RNA polymerase II C. RNA polymerase III D. RNA polymerasearrow_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_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_forward
- Refer 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_forwardWhat is the name of the process that adds a modified guanosine nucleotide to the 5’ phosphates of pre-mRNAs in eukaryotes? a. splicing b. polyadenylation c. capping d. nuclear export e. photophosphorylationarrow_forwardChoose the combination of answers that most accurately completes the statement. Which of these features is found in eukaryotes but not bacteria? a. polygene mRNAs c. stop codon b. intronsarrow_forward
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