Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 17.3, Problem 1COMQ
The process of RNA interference may lead to
a. the degradation of an mRNA.
b. the inhibition of translation of an mRNA.
c. the synthesis of an mRNA.
d. both a and b.
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Although the specific mechanism of RNA interference has not been fully defined, it involves
A. the inactivation of MRNA
B. RNA interference with DNA.
O c. DNA interference with MRNA.
D. MRNA interference with rRNA
The binding of iron regulatory protein (IRP) to the iron response element (IRE) in the 5′-untranslated region of the ferritin mRNA results ina. inhibition of translation of the ferritin mRNA.b. stimulation of translation of the ferritin mRNA.c. degradation of the ferritin mRNA.d. both a and c.
Within a cell, the amount of protein made using a given mRNA molecule depends partly on
A. the presence of certain transcription factors.
B. the rate at which the mRNA is degraded.
C. the degree of DNA methylation.
D. the number of introns present in the mRNA.
please explain which is correct and incorrect and why
Chapter 17 Solutions
Genetics: Analysis and Principles
Ch. 17.1 - Which of the following can bind to ncRNAs? a. DNA...Ch. 17.1 - 2. When an ncRNA functions as a decoy, it
a....Ch. 17.1 - Prob. 3COMQCh. 17.2 - 1. Which of the following functions does HOTAIR...Ch. 17.3 - 1. The process of RNA interference may lead to
a....Ch. 17.3 - 2. In catalyzing the methylation or...Ch. 17.4 - 1. Which of the following is a function of SRP?...Ch. 17.5 - 1. Which of the following components are needed...Ch. 17.5 - 2. In the CRISPR-Cas system, what does the...Ch. 17.5 - Which of the following is a function of the...
Ch. 17.6 - Prob. 1COMQCh. 17.6 - Let's suppose that the overexpression of a...Ch. 17 - 1. List and briefly describe four types of...Ch. 17 - 2. An ncRNA may have the following functions:...Ch. 17 - 3. What is meant by the term RNA world? Describe...Ch. 17 - Explain how HOTAIR plays a role in the...Ch. 17 - What is the phenomenon of RNA interference (RNAi)?...Ch. 17 - With regard to RNAi, what are three possible...Ch. 17 - 7. What is the difference between an miRNA and an...Ch. 17 - Together with a specific set of proteins, snoRNAs...Ch. 17 - Describe the structure of SRP in eukaryotes, and...Ch. 17 - Look at Figure 17.6 and predict what would happen...Ch. 17 - Compare and contrast the roles of crRNA and...Ch. 17 - In the CRISPR-Cas system, does the tracrRNA act as...Ch. 17 - Prob. 13CONQCh. 17 - Outline the steps that occur when piRISCs silence...Ch. 17 - List five types of cancer in which ncRNAs can be...Ch. 17 - Prob. 16CONQCh. 17 - A protein called trypsin, which plays a role in...Ch. 17 - Prob. 2EQCh. 17 - Prob. 3EQCh. 17 - As described in Chapter 21, the CRISPR-Cas system...Ch. 17 - Prob. 5EQCh. 17 - Prob. 6EQCh. 17 - Prob. 1QSDCCh. 17 - Go to the PubMed website and do a search using the...
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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
- The binding of iron regulatory protein (IRP) to the iron response element (IRE) in the 5′ region of the ferritin mRNA results in the a. inhibition of translation of the ferritin mRNA. b. stimulation of translation of the ferritin mRNA. c. degradation of the ferritin mRNA. d. both a and c.arrow_forwardDifferential RNA splicing may result in: a. A shift in the ratio of mRNA produced from two neighboring genes b. Inversion of exons in the mature mRNA c. Production of the same protein from two different genes d. Production of two different proteins with different properties from a single genearrow_forwardArrange the statements in their proper order by writing the corresponding letter (e.g. A) for each statement in the space provided below. A. The single-stranded RNA would complement the target RNA. B. Gene expression is inactivated once the mRNA is no longer accessible for translation. C. The risk-induced silencing complex which is composed of RNA and protein subunits is formed. D. Double-stranded, non-coding RNA is cleaved by Dicer. E. The mRNA can be cleaved or remain bound by the RISC. 1. 2. 3. 4. 5.arrow_forward
- The primary function of 5' & 3' end mRNA modification is: a. To ensure that phosphorylation of the nucleotides b. Protection from nucleolytic degradation c. Assurance of end joining during nuclear export. d. To activate removal of introns e. All of the above.arrow_forwardIn prokaryotes, control of gene expression usually occurs at the a. splicing of pre-mRNA into mature mRNA. b. initiation of translation. c. initiation of transcription. d. All of the choices are correct.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. none of the abovearrow_forward
- 8) 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 of the following is not a function of the 5’ cap and 3’ poly-A tail of a mature eukaryotic mRNA molecule? a. To facilitate splicing b. To prevent mRNA degradation c. To aid export of the mature transcript to the cytoplasm d. To aid ribosome binding to the transcriptarrow_forwardA geneticist induces a mutation in eukaryote cells. The mutation results in an inability to form the poly(A) tail during processing of pre-mRNA. What does this mean for the mature mRNA and what will be the effect on these cells? Possible Answers: A. The mRNA will be spliced, but will not have a 5' cap. B. The mRNA will likely be degraded. C. The mRNA will not be cleaved. D. The mRNA will have too many Gs and Cs.arrow_forward
- In eukaryotes, MRNA processing may involve all of the following events except A. repair of MRNA mutations B. addition of a 5' cap. C. addition of a poly A to the 3' end. D. alternative splicing. E. removal of intronsarrow_forwardWhich of the following mutations is most likely to cause a single amino acid difference during the translation of mRNA into protein? A. Single base-pair insertion B. Single base-pair deletion C. Mutations in regulatory sites D. Base-pair substitutionarrow_forwardEukaryotic mRNAs differ from prokaryotic mRNAs in that they a. usually contain more than one gene. b. are colinear with the genes that encode them. c. are not colinear with the genes that encode them. d. Both a and c are correct.arrow_forward
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