BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 15, Problem 2DA
Summary Introduction
To illustrate: How the eukaryotic gene containing four alternating exon and intron regions could encode multiple transcripts.
Introduction: To convert genotype to
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The figure below shows the introns and exons found in gene X. The size of each exon and intron is shown as
well. A study on this organism found that two mature mRNA molecules are produced for this gene. One is 867
nucleotides in length, and the other is 685 nucleotides in length. Name the process responsible for producing
this variation. Also explain how these 867 and 685 nucleotide fragments were produced by referring to the
information provided.
Hint: This organism produces a poly-A tail of 150 nucleotides.
The figure below shows the introns and exons found in gene X. The size of each exon and intron is shown as well. A study on this
organism found that two mature MRNA molecules are produced for this gene. One is 457 nucleotides in length, and the other is 439
nucleotides in length. Name the process responsible for producing this variation. Also explain how these 457 and 439 nucleotide
fragments were produced by referring to the information provided.
Hint: This organism produces a poly-A tail of 120 nucleotides.
99
62
120
84
102 27
117
Gene X
E1
в в
11
E2
12
E4
Exon (E)
Intron (1)
The figure below shows the introns and exons found in gene X. The size of each exon and intron is shown as well. A study on this organism found that two mature mRNA molecules are produced for this gene. One is 457 nucleotides in length, and the other is 439 nucleotides in length. Name the process responsible for producing this variation. Also explain how these 457 and 439 nucleotide fragments were produced by referring to the information provided. Hint: This organism produces a poly-A tail of 120 nucleotides.
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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- The figure below shows the introns and exons found in gene X. The size of each exon and intron is shown as well. A study on this organism found that two mature mRNA molecules are produced for this gene. One is 457 nucleotides in length, and the other is 439 nucleotides in length. Name the process responsible for producing this variation. Also explain how these 457 and 439 nucleotide fragments were produced by referring to the information provided. Hint: This organism produces a poly-A tail of 120 nucleotides. 99 62 120 84 102 27 117 Gene X E1 11 E2 12 ЕЗ 13 E4 Exon (E) Intron (I)arrow_forwardAll the cells of one organism share the same genome. However, during development, some cells develop into skin cells while others develop into muscle cells. Briefly explain how the same genetic instructions can result in two different cell types in the same organism.arrow_forwardYou receive four strains of yeast in the mail, and the accompanying instructions state that each strain contains a single copy of transgene A. You grow the four strains and determine that only three strains express the protein product of transgene A. Further analysis reveals that transgene A is located at a different position in the yeast genome in each of the four strains. Provide a hypothesis to explain this result.arrow_forward
- Create a Venn diagram to compare and contrast the process of gene expression in Bacteria versus eukaryotes. Remember that “gene expression” can include any part of transcription or translation. Try to be as thorough as you can about what aspects of this process are similar between the two taxa, and what characteristics are distinct to only Bacteria or eukaryotes. Plase include a minimum of 15 items in the Venn diagram.arrow_forwardDiscuss an example of a human gene and the function of the particular protein molecule it codes for?arrow_forwardLet’s say, you want to deliver a gene into a cell and in your lab, there are lot of options available to do that. Describe five different options that you can use to deliver that gene.arrow_forward
- The figure below shows RNA-Seq data (RED) for the D. melanogaster transformer (tra) gene obtained from both adult female and male fruit flies. The blue lines indicate the tra gene structure, with thicker lines indicating exons, and thin lines introns. The 5' end of the gene is on the left, and the 3' end of the gene is on the right. Based on these data, the most likely conclusion is: Males and females express identical isoforms of tra Males express more tra RNA than females The female isoform has fewer amino acids The female isoform has more amino acids The male and female isoforms have different 3'UTRsarrow_forwardName one step of gene expression and describe one way that step differs between prokaryotes and eukaryotes.arrow_forwardConsider Molecule X, which is found in all living cells. This molecule is transcribed from a stretch of DNA in the nucleus. Each nucleobase on the DNA produces a matching nucleobase on this molecule. Every 3-base codon specifies an amino acid in a protein. What is the name of X? Your answer should be one word, or a short two- or three-word phrase. Spelling counts. Note: if there is more than one possible answer, separate each answer with a comma. x 5arrow_forward
- Why are fruit flies considered a model genetic organism? Would humans fit this description?arrow_forwardIn Figure 8-5, draw the “one gene” at much higher resolution with the following components: DNA, RNA polymerase(s), RNA(s)arrow_forwardExplain what plays a role in gene regulation in some eukaryotes ?arrow_forward
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