BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 15, Problem 4U
Eukaryotic transcription differs from prokaryotic in that
a. eukaryotes have only one RNA polymerase.
b. eukaryotes have three RNA polymerases.
c. prokaryotes have three RNA polymerases.
d. Both a and c are correct.
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Students have asked these similar questions
With regard to transcriptional termination in eukaryotes, which model suggests that RNA polymerase is physically removed from the DNA?
a. Allosteric model
b. Torpedo model
c. Both models
d. Neither model
Which sequence is most likely to be found in a promoter?
a) CGGTGTATATCGTAC
b) GTACAGTCATCCCGT
c) AAATCTACTACGATT
d) GGGTTGGGTTGGGTT
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 c
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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- Which of the following is the best description of a transcription factor? A. A protein that brings the correct nucleotides to RNA polymerase B. A protein that binds to specific DNA sequences C. A DNA sequence that binds to RNA polymerase D. A modification that is made to mRNA to help it be exported from the nucleus. .arrow_forwardThe Kozak rules determine a. the choice of the start codon in complex eukaryotes. b. the choice of the start codon in bacteria. c. the site in the mRNA where translation ends. d. how fast the mRNA is translated.arrow_forwardThe function of the genetic code is toa. promote transcription.b. specify the amino acids within a polypeptide.c. alter the sequence of DNA.d. do none of the above.arrow_forward
- Promoters are DNA sequences a. near a transcription start site b. bound to a repressor protein c. that inhibit transcription of a gene d. that stimulate ncRNA activityarrow_forwardHow is transcription directly controlled in eukaryotic cells? a. through the use of phosphorylation b. by means of apoptosis c. using transcription factors and activators d. when chromatin is packed to keep genes turned on e. None of these are correct.arrow_forwarda. 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_forward
- During elongation (in transcription), RNA polymerase has three prominent channels, or grooves. These channels provide sites for all of the following EXCEPT ___. A. A site for the entry of RNA nucleotides B. A site for the growing RNA strand to exit C. A site for the double-stranded DNA molecule it is transcribing D. A site for the entry of amino acidsarrow_forwardWhich of the following is true of transcription factors? A)The same transcription factors are found in all cell types. B)They can increase or decrease gene expression. C)They are a type of cis-acting element. D)They bind only to promoters.arrow_forwardThe splicing process a. occurs in prokaryotes. b. joins introns together. c. can produce multiple mRNAs from the same transcript. d. only joins exons for each gene in one way.arrow_forward
- If a mutation deletes the promoter in a eukrayotic gene, which of the following most accurately describes its consequence? A. There will be no mRNA or polypeptide made. B. The mRNA will be made but no polypeptide is made. C. The mRNA will not be processed properly. D. Nothing will happen. It is a silent mutation.arrow_forwardSickle cell anemia is a disease caused by a mutation at the genotypic level. A person with two copies of the gene has the disease, but a person with one copy of the gene does not have the disease. The diagram shows how this mutation affects an organism. Use the image to answer the question. Which conclusion can you draw based on the diagram? A. The mutation changed the amino acid sequence during the translation step. B. A mutation caused the information in DNA to change during the transcription step. C. A change in the DNA sequence can be carried over to the translation and transcription steps. D. The change that affected the translation and transcription steps does not affect the organism.arrow_forwardA promoter is, choose the correct answer... a. the binding site for the ribosome on a messenger RNA molecule in eukaryotes. b. the location on a messenger RNA molecule where translation starts. c. a binding site for RNA polymerase on the DNA upstream of a gene. d. a location on DNA where a replication fork forms. e. a sequence that occurs only once on a bacterial chromosome.arrow_forward
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