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 6TYK
Summary Introduction
Introduction: Genes are sets of
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Which statement/s is/are TRUE about transcription?A. During transcription, DNA polymerase binds to RNA and separates the DNA strands.B. RNA polymerase uses one strand of DNA as a template to assemble nucleotides into a strand of RNA.C. RNA polymerase binds only to DNA promoters, which have specific base sequences.D. Promoters are signals in RNA that indicate to RNA polymerase where to begin transcription.E. Transcription occurs in the 3’ to 5’ direction with respect to the growing mRNA strand.
Why might a single base-pair mutation in eukaryotic mRNA be less serious than one in prokaryotic mRNA?
a. If the mutation occurs in the 5' end of the start site, it will not affect the gene product.
b. If the mutation occurs in the exon, it will not affect the gene product.
c. If the mutation occurs in the splice site of a transcript with alternative splicing, only one gene product may
affected.
O d. If the mutation occurs in the intron or not in the splice site of a transcript with alternative splicing, it will nc
affect the gene product.
O e. If the mutation occurs in the 3' end of the start site, it will not affect the gene product.
OLIE STIC N 1A
What determines which transcription factors will be able to regulate a particular gene's expression?
A. The collection of control element sequences that are associated with that gene
B. The location of that gene sequence (which chromosome it is located on)
C. The sequence of introns present in that gene
D. The sequence of exons present in that gene
..
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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- In RNA silencing, siRNAs and miRNAs usually bind to which part of the mRNA molecules that they control? a. 5′ UTR b. Coding region c. 3′ poly(A) tail d. 3′ UTRarrow_forwardEukaryotes such as humans have linear chromosomes. In order to signal the end of DNA replication, there is a large repetitive sequence of DNA called a telomere. The telomere region of the DNA signals a process called a. detachment b. termination c. elongation d. transcriptionarrow_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
- What is the function of the sigma subunit of prokaryotic RNA polymerase? a. It directs the polymerase to bind a specific type of promoter sequence b. It contains the polymerase active site. c. It allows template-independent RNA synthesis d. It signals the polymerase to terminate transcription at specific sites. e. It contains the separate exonuclease site required for proofreading.arrow_forwardWhat would happen if a lysine residue that was normally acetylated was mutated to an arginine? A. There would probably be no affect on transcription B. The nucleosome affected by this mutation would be more likely to be uncondensed C. Genes within or near the nucleosome affected by this mutation would be more likely to be repressed D. RNA Pol II would have an easier time accessing the DNA at or near the affected nucleosome E. B and C are both correctarrow_forwardIf a splice site were mutated so that splicing did not take place, what would be the effect on the mRNA? a. It would be shorter than normal. b. It would be longer than normal. c. It would be the same length, but would encode a different protein.arrow_forward
- Which type of mutation would expect would have no effect on a protein coding gene in eukaryotes? a.a single base substitution that creates a splice site mutation b.a single base substitution that creates a synonymous mutation c.a single base deletion that creates a frameshift near the 3' end of the open reading frame d.a single base substitution that creates a non-conservative missense mutation e.a single base substitution that creates a conservative missense mutationarrow_forwardWhy is the post-transcriptional polyA tail an important addition to a mRNA molecule? a.poly A tail is part of the protein translated from the mRNA b.poly A tail facilitates the binding of ribosomes c.3' tail signals the end of transcription by the RNA polymerase d.the tail adds stability to the transcript, controlling the time of degradation e.poly A tail facilitates the splicing of intronsarrow_forwardWhat is the difference between a structural gene and a regulator gene? a. Structural genes are transcribed into mRNA, but regulator genes aren’t. b. Structural genes have complex structures; regulator genes have simple structures. c. Structural genes encode proteins that function in the structure of the cell; regulator genes carry out metabolic reactions. d. Structural genes encode proteins; regulator genes control the transcription of structural genes.arrow_forward
- How does transcription resemble DNA replication? a. In both processes the new nucleic acid is synthesized in the 3' to 5' direction. b. Both start at promoters. c. Both require ribonucleoside triphosphates, the building blocks of RNA. d. a and b, but not c e. a, b, and carrow_forwardSelect the most complete list of correct structures involved in the process of transcription a. mRNA, amino acids, ribosomes, polypeptide chains b. DNA, mRNA, RNA polymerase, a promoter c. mRNA, polypeptide chains, RNA polymerase d. DNA, mRNA, amino acidsarrow_forwardEukaryotes such as humans have linear chromosomes. In order to signal the end of DNA replication, there is a large repetitive sequence of DNA called a telomere. The telomere region of the DNA signals a process called Select one: a. transcription b. detachment c. termination d. elongationarrow_forward
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