Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 14, Problem 10TY
_____ blank refers to the process that allows a single type of pre-mRNA to give rise to multiple types of mRNAs due to different patterns of intron and exon removal.
- a. Spliceosomes
- b. Variable expression
- c. Alternative splicing
- d. Polycistronic in RNA
- e. Induced silencing
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Students have asked these similar questions
Differential 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 gene
55__________________ assemble to form a spliceosome, the splicing machine that excises introns.
A.snRNAb.tRNAc.Micro RNAD.rRNAs
56Eukaryotic initiator tRNA is charged with a formylated methionine.
Yesorno
57Eukaryotic mRNA can be purified by separating molecules a mixture of total RNA by:
A.Oligo (dG) cellulose chromatographyb.Oligo (dT) cellulose chromatographyc.Oligo (dC) cellulose chromatographyD.Oligo (dA) cellulose chromatography
If an MRNA is alternatively spliced, then
different introns are removed from a pre-MRNA, producing transcripts that will potentially encode proteins with different primary structures.
I.
the MRNA is found in a bacterial cell.
II.
transcription and translation of the MRNA will occur simultaneously.
the alternative splicing happened in the cytoplasm.
IV.
Ay different exons from a pre-mRNA will be spliced together.
V.
the different MRNAS will all have poly-A tails.
VI.
Chapter 14 Solutions
Biology
Ch. 14.1 - Prob. 1CCCh. 14.2 - Which genes are under the control of the lac...Ch. 14.2 - With regard to regulatory proteins and small...Ch. 14.2 - What were the key observations made by Jacob,...Ch. 14.2 - CoreSKILL What was the eventual hypothesis...Ch. 14.2 - Prob. 3EQCh. 14.2 - Core Skill: Connections Look back at Fig 9.12....Ch. 14.2 - What are the advantages of having both an...Ch. 14.2 - Prob. 2CSCh. 14.3 - Prob. 1CC
Ch. 14.4 - What are the two opposing effects that histone...Ch. 14.4 - Prob. 1CSCh. 14.5 - Prob. 1CCCh. 14.5 - Prob. 2CCCh. 14 - Prob. 1TYCh. 14 - Prob. 2TYCh. 14 - Transcription factors that bind to DNA and...Ch. 14 - Prob. 4TYCh. 14 - For the lac operon, what would be the expected...Ch. 14 - Prob. 6TYCh. 14 - The trp operon is considered _____ blank operon...Ch. 14 - Prob. 8TYCh. 14 - Prob. 9TYCh. 14 - _____ blank refers to the process that allows a...Ch. 14 - Prob. 1CQCh. 14 - Transcriptional regulation often involves a...Ch. 14 - Prob. 3CQCh. 14 - Discuss the advantages and disadvantages of...Ch. 14 - Discuss the advantages and disadvantages of...
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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
- Are the following statements TRUE or FALSE?a. Post-transcriptional RNA processing occurs in the cytoplasm of the cell.b. A primary RNA transcript is often much longer than the mature mRNA that leaves the nucleus.c. Both ends of a pre-mRNA are modified to facilitate RNA splicing.arrow_forwardBelow is a graphical representation of eukaryotic precursor mRNA. A. Outline each modification that must happen to get a mature m-RNA. B. How does the absence of introns in prokaryotic genes affect prokaryotic gene expression? C. How will gene expression be affected if all of the spliceosomes are removed from the bacteria sample? Explain.arrow_forwardEukaryotic mRNAs a. require processing to produce mature mRNAs b. do not require processing to produce mature mRNAs c. mature mRNAs do not exist d. mature mRNAs are always bigger than the primary transcriptarrow_forward
- 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 1Aarrow_forwardtRNAs a. carry amino acids b. bind to the anticodon present in the mRNA c. adapt the genetic information to the ribosome d. catalyze the peptide bondarrow_forwardWhich translation factor mediates the aminoacyl-tRNA entry into the A site of the ribosome? A. EF-Tu B. EF-Ts C. EF-G D. IF1arrow_forward
- a. Show (on the image) 3 steps that must be taken to produce a mature mRNA molecule from this pre- mRNAb. Place an arrow at the 5’ end of intron 2. (splice site). c. Why is a promoter not shown in this image?arrow_forwardChoose the correct function of tRNA. A. TRNAS are an intermediate stage of RNA processing where introns have been removed but polyadenylation has not occurred yet B. TRNAS are small RNAS that regulate gene expression C. TRNAS bring amino acids to the ribosome for addition to the growing polypeptide chain D. tRNA is a major structural component of the ribosomearrow_forwardA nonsense mutation Select one: a. results in a larger protein being produced from the mutated gene b. will lead to premature termination of translation c. is the same as a silent mutation d. will lead to the premature termination of transcriptionarrow_forward
- A 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_forwardA principle function of 5' and 3' end modifications of eukaryotic mRNA is: a. to ensure that all nucleotides are phosphorylated b. to protect RNA from nucleolytic degradation c. to guide the removal of introns d. to serve as binding sites for translation release factorsarrow_forwardWhich of the following is not a possible size (in bp) of the mature mRNA? a. 205bp b. 180bp c. 150bp d. 100bparrow_forward
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