Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 12.3, Problem 2TYK
Summary Introduction
Introduction:
Core promoter of a eukaryote is the minimal stretch of DNA sequence which is sufficient for the initiation of transcription process. The core promoter for eukaryotic protein-encoding genes usually contains a transcriptional start site and a TATA box.
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A down promoter mutation causes the promoter of a gene to be_______ like the consensus sequence and _________ transcription.a. less, stimulatesb. more, stimulatesc. less, inhibitsd. more, inhibits
Which of the following statements best describes the promoter of a protein-coding gene?
A.
The promoter is a protein that recruits RNA polymerase.
B.
The promoter is part of the RNA molecule itself.
C.
The promoter is a site found on RNA polymerase.
D.
The promoter contains the AUG start codon.
E.
The promoter is a nontranscribed region of a gene.
Initiation of transcription
A
occurs at terminators
B
occurs only in eukaryotes
C
occurs in promoters
D
none of the above
Chapter 12 Solutions
Principles of Biology
Ch. 12.1 - How does gene regulation underlie the different...Ch. 12.1 - Prob. 1TYKCh. 12.1 - The most common point of gene regulation in...Ch. 12.2 - Which genes are under the control of the lac...Ch. 12.2 - Prob. 2CCCh. 12.2 - Prob. 1BCCh. 12.2 - Prob. 1TYKCh. 12.3 - Prob. 1CCCh. 12.3 - Prob. 1TYKCh. 12.3 - Prob. 2TYK
Ch. 12.4 - Prob. 1CCCh. 12.4 - Prob. 1BCCh. 12.4 - A chromatin-remodeling complex may change the...Ch. 12.4 - Prob. 2TYKCh. 12.5 - What is the biological advantage of alternative...Ch. 12.5 - Prob. 2CCCh. 12.5 - Prob. 1TYKCh. 12.5 - Prob. 2TYKCh. 12 - Genes that are expressed at all times at...Ch. 12 - Prob. 2TYCh. 12 - Transcription factors that bind to DNA and...Ch. 12 - Prob. 4TYCh. 12 - Prob. 5TYCh. 12 - Prob. 6TYCh. 12 - Prob. 7TYCh. 12 - Prob. 8TYCh. 12 - Prob. 9TYCh. 12 - Prob. 10TYCh. 12 - What is the difference between inducible and...Ch. 12 - Transcriptional regulation often involves a...Ch. 12 - PRINCIPLES A principle of biology is that the...Ch. 12 - Discuss the advantages and disadvantages of...Ch. 12 - Prob. 2CBQ
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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
- Which of the following DNA regions is NOT involved on gene expression regulation in Eukaryotes?. ( not enhancer or promotor-proximal) A. Promoter-proximal B. Promoter C. Enhancer D. Operatorarrow_forwardWhich of the following is true regarding General transcription factors? a. Act at every gene for a given RNA pol b. Act only at specific genes for under specific conditions c. Must be very close to the promoter d. None of the abovearrow_forwardWhich of the following is characteristic of genes and gene regulation in both bacteria and eukaryotes? (a) promoters (b) non-coding DNA within coding sequences (c) enhancers (d) operons (e) DNA located in a nucleusarrow_forward
- Binding of _______ to _______ in DNA can increase the rate of transcription of specific genes. a. activators; repressors c. repressors; operators b. activators; enhancers d. repressors; enhancersarrow_forwardWhich of the following is an example of positive control? (a) transcription occurs when a repressor binds to an inducer (b) transcription cannot occur when a repressor binds to a corepressor (c) transcription is stimulated when an activator protein binds to DNA (d) a and b (e) a and carrow_forwardIn 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_forward
- Regulatory transcription factors can be modulated by a. the binding of small effector molecules. b. protein-protein interactions. c. covalent modifications. d. all of the above.arrow_forward. Which of the following is an example of post-transcriptional gene repression?a. The amount of RNA transcribed from a gene isreduced because the DNA is methylated.b. The amount of RNA is reduced because it is rapidlydegraded.c. The amount of protein made is reduced by action ofan miRNA.d. b and c are both correct.arrow_forwardWhich of the following parts of the eukaryotic promoter are bound by general transcription factors? Group of answer choices A promoter proximal elements B enhancer elements C specific promoter elements D the core promoter E the distal promoterarrow_forward
- At the beginning of transcription, RNA polymerase binds to the gene ____________; it then adds ribonucleotides that are complementary to the ________________. Group of answer choices Promoter; coding strand Enhancer; coding strand Promoter; template strand Sigma factor; one of the two strands Enhancer; template strandarrow_forwardWhich of the following statements is correct about eukaryotic gene expression?a. mRNAs must have introns spliced out.b. mRNAs contain the transcript of only one gene.c. Enhancers act from a distance.d. All of the abovearrow_forwardThe basal transcription apparatus is composed of a. five general transcription factors. b. RNA polymerase II. c. a DNA sequence containing a TATA box and transcriptional start site. d. all of the above.arrow_forward
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