Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Chapter 18.5, Problem 3CC
Summary Introduction
To determine:
The three ways by which transposable elements are thought to contribute to genome evolution
Introduction:
Transposable elements also known as transposon are the sequence of DNA that can change its location within the genome. This may create or reverse some mutations and also alter the genome size and genetic identity of the cell. They make up a large portion of the genome responsible for majority of DNA mass in eukaryotic cell, but play an important role in the functioning of genome and evolution.
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Chapter 18 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
Ch. 18.1 - Prob. 1CCCh. 18.2 - Prob. 1CCCh. 18.2 - Explain the advantage of the systems biology...Ch. 18.2 - Prob. 3CCCh. 18.3 - The best estimate is that the human genome...Ch. 18.3 - Prob. 2CCCh. 18.3 - Prob. 3CCCh. 18.4 - Discuss the characteristics of mammalian genomes...Ch. 18.4 - Which of the three mechanisms described in Figures...Ch. 18.4 - Prob. 3CC
Ch. 18.5 - Describe three examples of errors in cellular...Ch. 18.5 - Prob. 2CCCh. 18.5 - Prob. 3CCCh. 18.6 - Would you expect the genome of the macaque (a...Ch. 18.6 - Prob. 2CCCh. 18 - Prob. 1TYUCh. 18 - Prob. 2TYUCh. 18 - Two eukaryotic proteins have one domain in common...Ch. 18 - SCIENTIFIC INQUIRY The scientists mapping human...Ch. 18 - FOCUS ON EVOLUTION Genes important in the...Ch. 18 - FOCUS ON INFORMATION The continuity of life is...Ch. 18 - SYNTHESIZE YOUR KNOWLEDGE Insects have three...
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- What percentage of the DNA in the genome actually corresponds to genes? How much is actually protein-coding exons? What makes up the rest?arrow_forwardCan numerous paralogs in a genome lead to genome expansion? and how?arrow_forwardThere are two broad classes of transposons. Each class is characterized by its method of "jumping" (either through an RNA intermediate or via excision and insertion) True False Most mutations of evolutionary significance are A)induced B)spontaneous..arrow_forward
- What are transposable elements ? Explain how they contribute to the evolution of genomes ?arrow_forwardWhat are some reasons why, in multicellular eukaryotes, genome size is not necessarily related to number of protein-coding genes or organismal complexity?arrow_forwardWhat is a genome and what is it composed of? What is thecentral dogma of molecular biology?arrow_forward
- Eukaryotic cells contain O a) 5 nuclear RNA polymerases b) 3 nuclear RNA polymerases O c) 6 nuclear RNA polymerases O d) none of these is true that transcribe distinct classes of genes.arrow_forwardHow does the presence of epigenetic modifications affect the accuracy and reliability of genetic analysis techniques such as DNA sequencing and PCR (Polymerase Chain Reaction)?arrow_forwardCodon optimization is a widely used process for recombinant expression in prokaryotic systems. Regarding this process, mark the incorrect alternative. * A)increases the overall yield of expression of recombinant proteins. B)prevents the formation of truncated proteins. C)increases the frequency of tRNAs that recognize rare codons. D)does not interfere with the primary sequence of the recombinant protein.arrow_forward
- Nonfunctional HexA protein is responsible for the autosomal recessive disease Tay Sachs. A patient with Tay Sachs produces a normal amount of full length but non-functional HexA protein. Of the choices below, what is the most likely type of mutation responsible for the disease? a) base substitution in an intron 5' splice site b) frameshift in an exon c) missense in an exon d) base substitution in an enhancer regionarrow_forwardMutations in the CFTR gene result in cystic fibrosis in humans, a conditions in which abnormal secretions are present in the lungs, pancreas, and sweat glands. The gene was mapped to a 500-kb region on chromosome 7 containing 3 candidate genes. a)Using your knowledge of the disease symptoms, how would you distinguish between the candidate genes to decide which is most likely to encode the CFTR gene? b)How would you prove that your chosen candidate is the CFTR gene?arrow_forwardThe Human Genome Project resulted in the identification of 20,000 genes that code for proteins in humans. On average, each gene can code for 4 different proteins. Which of the following processes explains how a single gene could code for more than one protein? A) the central dogma of molecular biology B) mutations C) alternative splicing D) redundancy in the genetic code E) the fact that there are three stop codonsarrow_forward
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