Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 26.4, Problem 3CC
Summary Introduction
To explain: How a gene could have different functions in different tissues within an organism.
Concept introduction:
Living things are composed of specialized cells, for different functions. However, each cell has same genetic makeup, but the expressions of genes are tissue-specific. There are many regulatory mechanisms that control the expression of a gene. The genetic information in genes is transcribed as messenger RNA (mRNA). The transcribed mRNAs contain non-coding sequences called introns. RNA-splicing is the process that removes the introns present in the mRNA before the instruction for protein synthesis.
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. In examining Figure 3-19, what do you think is the mainreason for the difference in size of yeast and humanmtDNA?
MAKE CONNECTIONS Given that changes in morphologyare often caused by changes in the regulation of geneexpression, predict whether noncoding DNA is likely to beaffected by natural selection. See Concept 18.3 to reviewnoncoding DNA and regulation of gene expression.
Chapter 26 Solutions
Campbell Biology (10th Edition)
Ch. 26.1 - VISUAL SKILLS: Which levels of the classification...Ch. 26.1 - Prob. 2CCCh. 26.1 - Prob. 3CCCh. 26.2 - Decide whether each of the following pairs of...Ch. 26.2 - Prob. 2CCCh. 26.3 - Prob. 1CCCh. 26.3 - Prob. 2CCCh. 26.3 - WHAT IF? Draw a phylogenetic tree that includes...Ch. 26.4 - Explain how comparing proteins of two species can...Ch. 26.4 - WHAT IF? Suppose gene A is orthologous in species...
Ch. 26.4 - Prob. 3CCCh. 26.5 - What is a molecular clock? What assumption...Ch. 26.5 - Prob. 2CCCh. 26.5 - WHAT IF? Suppose a molecular dock dates the...Ch. 26.6 - Why is the kingdom Monera no longer considered a...Ch. 26.6 - Prob. 2CCCh. 26.6 - Prob. 3CCCh. 26 - Humans and chimpanzees are sister species. Explain...Ch. 26 - Why is it necessary to distinguish homology from...Ch. 26 - Prob. 26.3CRCh. 26 - When reconstructing phylogenies, is it more useful...Ch. 26 - Prob. 26.5CRCh. 26 - Prob. 26.6CRCh. 26 - In a comparison of birds and mammals, the...Ch. 26 - To appiy parsimony to constructing a phylogenetic...Ch. 26 - VISUAL SKILLS In Figure 26.4, which similarly...Ch. 26 - Three living species X, Y, and Z share a common...Ch. 26 - Prob. 5TYUCh. 26 - If you were using cladistics to build a...Ch. 26 - VISUAL SKILLS The relative lengths of the frog and...Ch. 26 - EVOLUTION CONNECTION Darwin suggested looking at a...Ch. 26 - SCIENTIFIC INQUIRY DRAW IT (a) Draw a...Ch. 26 - WRITE ABOUT A THEME: INFORMATION In a Short essay...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE This West Indian manatee...
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- MAKE CONNECTIONS Looking at Figure 20.15, what does itmean for a SNP to be “linked” to a disease-associated allele?How does this allow the SNP to be used as a genetic marker?(See Concept 15.3.)arrow_forwardCONNECT Why is an understanding of gene regulation in eukaryotes crucial to an understanding of developmental processes? Explain your answerarrow_forwardMAKE CONNECTIONS In Concept 20.2, you learnedabout genome-wide association studies. Explain howthese studies use the systems biology approach.arrow_forward
- Please explain in detailarrow_forwardIllustrate about the Map and sequence the genomes of several model organisms used in experimental genetics, including Escherichia coli, Saccharomyces cerevisiae, Caenorhabditis elegans, Drosophila melanogaster, and Mus musculus (mouse).arrow_forward. Complete genome sequences indicate that the humangenome has roughly 27,000 genes, while the worm(nematode) genome has about 22,000 genes. Explainhow the human genome with only about 20% moregenes can encode a creature enormously more complex than the worm.arrow_forward
- ........ cen not be true about in ditu hybridization. Use to reveal where gene expressed at mrna lvel. perform in none live animal/ tissues. reveal whether 2 genes are active in same cell. determine the function of genearrow_forwardDiscuss about Genome 10K Project ?arrow_forwardPls help ASAParrow_forward
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