Campbell Biology Custom Stony Brook 10 Th Edition
10th Edition
ISBN: 9781269870818
Author: Reece Urry Cain Wasserman Minorsky 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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Chapter 26 Solutions
Campbell Biology Custom Stony Brook 10 Th 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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- CONNECT Why is an understanding of gene regulation in eukaryotes crucial to an understanding of developmental processes? Explain your answerarrow_forward• Describe what it means that a strain of Drosophila is wild-type for a particular character. • Identify one mutant phenotype that can be observed in Drosophila.arrow_forwardSequencing of the human genome has revealed much about the organization of genes. Describe the differences between solitary genes, gene families, pseudogenes, and tandemly repeated genes.arrow_forward
- . You receive four strains of yeast in the mail, and theaccompanying instructions state that each strain contains a single copy of transgene A. You grow the fourstrains and determine that only three strains expressthe protein product of transgene A. Further analysisreveals 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 resultarrow_forwardU+ 2:24 E * © e * ll 2 U 1.3 billion bases O 2. 300 million bases on 3. 100 million bases 4. 40 billion bases on 5 a. What is(are) the difference(s) between orthologs and paralogs? b. What are the main sources of variation? red I out of I 个 TOP II !!arrow_forwardWhen comparing evolutionary similarities between different genes within a gene family, it is usually more straightforward to compare genes by using the protein sequences of gene products rather than DNA sequences of the genes themselves. Explain why this is the case. (Cover 4 points)arrow_forward
- a) Explain the difference between a genome and a transcriptome. Do all cells in an organism have the same genomes and or transcriptomes? b) Explain a method you could use to compare transcriptomes, and what you can learn from comparing transcriptomes.arrow_forwardDiscuss Concepts Many human diseases are caused by recessive alleles that are not expressed in heterozygotes. Some people think that eugenicsthe selective breeding of humans to eliminate undesirable genetic traitsprovides a way for us to rid our populations of such harmful alleles. Explain why eugenics cannot eliminate such genetic traits from human populations.arrow_forwardAs shown in Figure 13-14, what is the fundamental distinction between a pair-rule gene and a segment-polaritygene?arrow_forward
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