Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 56.4, Problem 3CC
MAKE CONNECTIONS → Mutagens are chemical and physical agents that induce mutations in DNA (see Concept 17.5). How does reduced ozone concentration in the atmosphere increase the likelihood of mutations in various organisms?
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E17. Gene mutagenesis is also used to explore the structure and function
of proteins. For example, changes can be made to the coding
sequence of a gene to determine how alterations in the amino acid
sequence affect the function of a protein. Let's suppose that you are
interested in the functional importance of a particular glutamic acid
(an amino acid) within a protein you are studying. By site-directed
mutagenesis, you make mutant proteins in which this glutamic
acid codon has been changed to other codons. You then test the
encoded mutant proteins for functionality. The results are as follows:
Functionality (%)
Normal protein
100
Mutant proteins containing
Тугosine
Phenylalanine
3
Aspartic acid
94
Glycine
From these results, what would you conclude about the functional
significance of this glutamic acid within the protein?
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Chapter 56 Solutions
Campbell Biology (11th Edition)
Ch. 56.1 - Explain why it is too narrow to define the...Ch. 56.1 - Identify the four main threats to biodiversity and...Ch. 56.1 - WHAT IF? Imagine two populations of a fish...Ch. 56.2 - How does the reduced genetic diversity of small...Ch. 56.2 - If there were 100 greater prairie chickens in a...Ch. 56.2 - WHAT IF? In 2005, at least ten grizzly bears in...Ch. 56.3 - Prob. 1CCCh. 56.3 - Prob. 2CCCh. 56.3 - Prob. 3CCCh. 56.4 - How can the addition of excess mineral nutrients...
Ch. 56.4 - MAKE CONNECTIONS There are vast stores of organic...Ch. 56.4 - MAKE CONNECTIONS Mutagens are chemical and...Ch. 56.5 - What is meant by the term sustainable development?Ch. 56.5 - Prob. 2CCCh. 56.5 - WHAT IF? Suppose a new fishery is discovered, and...Ch. 56 - Give at least three examples of key ecosystem...Ch. 56 - Why is the minimum viable population size smaller...Ch. 56 - Prob. 56.3CRCh. 56 - Prob. 56.4CRCh. 56 - Prob. 56.5CRCh. 56 - One characteristic that distinguishes a population...Ch. 56 - The main cause of the increase in the amount of...Ch. 56 - Prob. 3TYUCh. 56 - Which of the following is a consequence of...Ch. 56 - Which of the following strategies would most...Ch. 56 - Of the following statements about protected areas...Ch. 56 - Prob. 7TYUCh. 56 - Prob. 8TYUCh. 56 - SCIENTIFIC INQUIRY (a) Estimate the average CO2....Ch. 56 - WRITE ABOUT A THEME: INTERACTIONS One factor...Ch. 56 - Prob. 11TYU
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- pls help me to do these my activity and answer properlyarrow_forwardWHAT IF? DRAW IT The template strand of a geneincludes this sequence:3¿-TACTTGTCCGATATC-5¿. It is mutated to3¿-TACTTGTCCAATATC-5¿. For both wild-type and mutantsequences, draw the double-stranded DNA, the resultingmRNA, and the amino acid sequence each encodes. Whatis the effect of the mutation on the amino acid sequence?arrow_forwardHuman Genome ProjectIn 2003, the Human Genome Project was successfully completed, determining the exact sequence of the entire human genome, which is made up of 3 billion nucleotide base pairs. The data generated from the Human Genome Project is freely available online to anyone. Many researches and innovations stemmed from the HGP, allowing the identifications of 1 800 disease genes. Many of the corporations using the results from the HGP are privately funded, and research is being done for profit even though the HGP results are provided freely.Identify one advantage and one disadvantage of corporate funding and patenting genetic research results.arrow_forward
- OO HUAWEI nova 2 Plus DUAL CAMERA In bacteria, which of the following is/are considered as a mechanism of defense against bacteriophage infection? O a. Indigo dye O b. Xanthan gum О с. Restriction enzyme d. Ascorbic acid e. Amino acids If you are interested to clone your gene of interest to produce a product for commercial use you will use start material for your cloning. as a O a. Gênomic DNA O b. Complementary DNA O C. mRNA O d. Plasmid DNA and CDNA e. Plasmid DNA NEXT PE E PAGEarrow_forwardHuman Genome ProjectIn 2003, the Human Genome Project was successfully completed, determining the exact sequence of the entire human genome, which is made up of 3 billion nucleotide base pairs. The data generated from the Human Genome Project is freely available online to anyone. Many pieces of research and innovations stemmed from the HGP, allowing the identifications of 1 800 disease genes. Many of the corporations using the results from the HGP are privately funded, and research is being done for profit even though the HGP results are provided freely. Identify one advantage and one disadvantage of corporate funding and patenting genetic research results.arrow_forwardWhat molecular biology strategy can best be used to determine Inhibition of DNA synthesis? Explain.arrow_forward
- Can u please solve this?arrow_forward. In examining Figure 3-19, what do you think is the mainreason for the difference in size of yeast and humanmtDNA?arrow_forwardQ4) What are the 3 main components required for cloning? Q5) What is 16S rDNA, and why would cloning it be useful? Q6) How big is the 16S rDNA ‘amplicon’ we would be cloning?arrow_forward
- Explain well with reason.asaparrow_forwardconstruct! Which of the four constructs (Construct 1-4) below could you use to make your own mouse knockout? For each one you did not choose, explain why you did not choose that construct. Part of DHCR7 gene structure is shown on top row in the schematic. (Antibiotic selection and negative selection genes have been abbreviated.) Gene DHCR7 Intron 1 Exon 2 Intron 2 Exon 3 Exon1 Construct #1 Construct #2 Intron1 Negative Sel. Intron1 |Antibio. Sel. Negative Sel. Intron2 Antibio. Sel Intron 2 Construct #3 Construct #4 Introni Antibio. Sel Negative Sel. Negative Sel. Antibio. Sel. Intron2 Intron1 Intron2arrow_forwardPlsssssss helppppppp, explain the difference between a point and a frameshift mutationarrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY