Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 9, Problem 6RQ
A promoter is ______.
a. a specific sequence of DNA
b. a specific sequence of RNA nucleotides
c. a protein that binds to DNA
d. an enzyme that synthesizes RNA
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The formation of peptide bonds between amino acids occurs _____.
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d. while DNA is being replicated
The sigma subunit of bacterial RNA polymerase _____.
a. binds to a bacterial gene’s promoter
b. is composed of both polypeptide and RNA molecules
c. is required for termination of transcription
d. is required for RNA polymerization
e. is required for ribosomal binding
Proteins that influence RNA synthesis by binding directly to DNA are called_____ . a. promoters c. operators b. transcription factors d. enhancers
Chapter 9 Solutions
Concepts of Biology
Ch. 9 - Figure 9.10 You isolate a cell strain in which the...Ch. 9 - Which of the following does cytosine pair with? a....Ch. 9 - Prokaryotes contain a ______ chromosome, and...Ch. 9 - DNA replicates by which of the following models?...Ch. 9 - The initial mechanism for repairing nucleotide...Ch. 9 - A promoter is ______. a. a specific sequence of...Ch. 9 - Portions of eukaryotic mRNA sequence that are...Ch. 9 - The RNA components of ribosomes are synthesized in...Ch. 9 - How long would the peptide be that is translated...Ch. 9 - Control of gene expression in eukaryotic cells...
Ch. 9 - Post-translational control refers to: a....Ch. 9 - Describe the organization of the eukaryotic...Ch. 9 - Describe the structure and complementary base...Ch. 9 - How do the linear chromosomes in eukaryotes ensure...Ch. 9 - Transcribe and translate the following DNA...Ch. 9 - Describe how controlling gene expression will...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Transcription is similar to DNA replication because both processes_______ . a. use the same enzyme b. copy both strands c. require the same nucleotides d. proceed in the 5′ to 3′ directionarrow_forwardIn RNA, ___________ pairs with adenine. A.Group of answer choices cytosine guanine thymine uracil B.The main differences between introns and exon is Group of answer choices Exons code for amino acids and Introns do not Introns code for RNA and exons code for DNA Introns code for amino acids and exons do not Introns enter the nucleus and exons leave the nucleusarrow_forwardA regulatory transcription factor protein typically contains _________ that binds to the ________ of the DNA. a. an α helix, backbone b. an α helix, major groove c. a β sheet, backbone d. a β sheet, major groovearrow_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_forwardtRNAs contain the ________ that interacts with mRNA. a. docking bay b. anticodon c. codonarrow_forward_____ is the combination of a seat, elation, another modifications to the histones that allow for changes in DNA winding and unwinding a. Epigentics b. Histone code c. Heterochromatin d. Post translational modificationsarrow_forward
- During translation, __________________. a. A cell divides to make 2 new cells b. A cell divides to make 4 new cells c. DNA is used as a template to create mRNA d. mRNA, rRNA, and tRNA work together to make proteinsarrow_forwardWhich of the following are steps of transcription? Select all that apply. a.RNA polymerase assembles a strand of mRNA complementary to the noncoding strand of DNA. b.RNA polymerase binds to a gene’s promoter. c.RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA. d.RNA polymerase moves over the gene and unzips the double helix to form a “transcription bubble.”arrow_forwardProteins that regulate gene expression by directly binding to the DNA are known as _____. a. transcription factors b. transposable elements c. translation factors d. phosphorylation e. methylationarrow_forward
- Shown below is diagram of RNA polymerase undergoing the process of transcription: This transcript: O Select one: a. None of these choices is correct. O b. has a sequence complementary to the top strand of the DNA. c. has a sequence identical to the top strand of the DNA. d. has a sequence complementary to the bottom strand of the DNA. e. has a sequence identical to the bottom strand of the DNA. f. It is not possible to determine, because not enough information has been provided. g. More than one of these choices is correct. MacEarrow_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_forwardEnergy that drives transcription is provided mainly by_____ . a. ATP c. GTP b. RNA nucleotides d. RNA polymerasearrow_forward
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