CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
Publisher: PEARSON
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Chapter 18.4, Problem 3CC
Summary Introduction
To contrast:
The organization of rRNA gene family and the globin gene families and also to explain how the existence of these gene family benefits the organism.
Introduction:
The rRNA gene family is composed of 28/26S, 18S, 5.8S, and 5S in eukaryotes. The copies of these genes are present in the genome. The globins are the heme containing globular protein that helps in the transportation of oxygen. The globin gene family consists of cluster of related genes on chromosomes.
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a molecular geneticist hopes to find a gene in human liver cells that codes for an important blood-clotting protein. he knows that the nucleotide sequence of a small part of the gene is gtggactgaca. briefly explain how to obtain the desired gene answer
A molecular geneticist hopes to find a gene in human liver cells that codes for an important blood-clotting. He knows that the nucleotide sequence of a small part of the gene is GTGGACTGACA. Briefly explain how to obtain the desired gene.
In Eukaryotes the following are areas of the gene that contain amino acid sequences information
A) Exon’s
B) Introns
C) Activators
D) Promoters
Chapter 18 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
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 - DRAW IT Comparing amino acid sequences of similar...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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- Suppose that a gene has a mutation that changes one nucleotide. Compared to the protein produced from the non-mutated gene, the protein produced from this mutated gene has one different amino acid. This newly altered protein provides enhanced resistance to tetracycline (an antibiotic). This type of mutation would be classified as aarrow_forwardA molecular geneticist hopes to find a gene gene in human liver cells that codes for an important blood clotting protein. He knows that the nucleotides sequence of a small part of the gene is GTGGACTGACA. briefly explain how to obtain the desired genearrow_forwardIf an extra nucleotide is inserted in the first exon of the beta globin gene, what effect will it have on the amino acid sequence of the globin polypeptides? Will the globin most likely be fully functional, partly functional, or nonfunctional? Why?arrow_forward
- An example sequence corresponds to human sickle cell beta-globin mRNA and that this disease results from a point mutation in the β globin gene. In the following section, you will compare sickle cell and normal β globin sequences to reveal the nature of the sickle cell mutation at the protein level. To do this you need to find at least one sequence representing the normal beta globin gene. Open a new window and visit the NCBI home page(http://www.ncbi.nlm.nih.gov) and select “Nucleotide” from the drop menu associated with the top search box. Then enter the search term: HBB . Note that lots of irrelevant results are returned so let's apply some “Filters” (available by clicking in the left-hand sidebar) to focus on RefSeq entries for Homo sapiens. Remember that we are after mRNA so we can compare to the mRNA sequence from part 1 above. QUESTION #1: What is the ACCESSION number of the “Homo sapiens hemoglobin, beta (HBB), mRNA” entry? NOTE: Boolean operators (NOT, AND, OR) as…arrow_forwardasap please A partially filled diagram of eukaryotic gene structure is shown below. Label the following additional elements in the empty boxes. One label must be used twice: a) 3'UTR, b) 5'UTR, c) exon, d) intron, e) promoterarrow_forwardWhat is a gene? Provide at least two different definitions and explain.arrow_forward
- Explain how the ability of a large, multisubunitprotein molecule to bind a specific DNA sequence can be alteredwhen it binds with a small molecule no larger than a single aminoacid.arrow_forwardThe 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.arrow_forwardCreate 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_forward
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