Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Chapter 13, Problem 2AC
As you may know, many insects have evolved resistance to common pesticides. Do you think that insects might evolve resistance to Bt crops? If this is a risk, do you think that Bt crops should be planted anyway? Why or why not?
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Chapter 13 Solutions
Biology: Life on Earth
Ch. 13 - Are organisms that contain DNA that has been...Ch. 13 - 2._________ is the process whereby bacteria pick...Ch. 13 - 3. The______ is a technique for multiplying DNA in...Ch. 13 - Matching DNA samples in forensics uses a specific...Ch. 13 - Prob. 5FTBCh. 13 - Prob. 1RQCh. 13 - 2. What is a plasmid? How are plasmids involved in...Ch. 13 - 3. What is a restriction enzyme? How can...Ch. 13 - 4. Describe the polymerase chain reaction.
Ch. 13 - What is a short tandem repeat? How are short...
Ch. 13 - How does gel electrophoresis separate pieces of...Ch. 13 - How are DNA probes used to identify specific...Ch. 13 - Prob. 8RQCh. 13 - Describe several uses of genetic engineering in...Ch. 13 - Prob. 10RQCh. 13 - BioEthics In a 2004 Web survey conducted by the...Ch. 13 - 1. As you may know, many insects have evolved...Ch. 13 - BioEthics Discuss the ethical issues that surround...Ch. 13 - 2. All children born with X-linked SCID are boys....
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- What is the role of Agrobacterium tumefaciens in the production of transgenic plants? a. Genes from A. fume fociens are inserted into plant DNA to give the plant different traits. b. Transgenic plants have been given resistance to the pest A. tumefacaens. c. A. wmefaciens is used as a vector to move genes into plant cells. d. Plant genes are incorporated into the genome of Agrobacterium tumefaciens.arrow_forwardScientists can genetically alter corn so that it makes a protein that will harm a certain caterpillar that feeds on it. Which of the following is an advantage of producing this type of corn? A the insects will reproduce more quickly B) the insects will become immune to the poison c the corn will have a better color D the corn will be able to resist insectsarrow_forward3. a)The leaves on a plant in your garden begin to turn yellow. From this observation alone, can. you predict which nutrient the plant lacks? Explain. b)How might the fact that plants don’t move influence their ability to adapt to climate change and other environmental changes? c)Would you expect a changing environment to benefit plants that reproduce sexually or asexually? Explain your reasoning.arrow_forward
- How are we going to feed and clothe the rapidly rising human population worldwide? How are we going to stop famine and crop loss? These are some very important questions biologists are working on as the world changes and problems arise. One possible solution could be the increased use of technology to improve food crops. These crops often have foreign DNA inserted into them that produces a protein product, such as herbicide resistance, to protect the plant or increase yield. They are termed GMO's (Genetically Modified Organisms) and they are hotly debated in both science and the public sphere. In this discussion you will demonstrate an understanding of GMOs and reflect on the pros and cons of their development and use This week's discussion involves 1 part. In this discussion, pick a side, PRO or CON, and argue your case that GMO's are either going to save the world or destroy it. You may very well find that this issue is not as black and white as it is made out to be! Please remember…arrow_forwardIn October 2002, the government of the African nation of Zambia announced that it was refusing to distribute 15,000 tons of corn donated by the United States, enough corn to feed 2.5 million Zambians for three weeks. The government rejected the corn because it was likely to contain genetically modified kernels. The government made the decision after its scientific advisers concluded that the studies of the health risks posed by GM crops “are inconclusive.” Do you agree with Zambia’s decision to turn away the corn? Why or why not? In your answer, consider that at the time, Zambia was facing food shortages, and 35,000 Zambians were expected to starve to death over the next six months. How do the risks posed by GM crops compare to the risk of starvation?arrow_forwardWhat would be the consequences of a global ban on the use of all pesticides in food crops?arrow_forward
- In North Carolina and other soybean-producing states, many farmers grow a species of soybean known as Roundup Ready. Roundup is a weed-killing chemical that was produced by Monsanto, (recently purchased by Bayer). The farmer can directly spray Round-up on his fields and it will kill all the weeds, yet leave the soybean plants unharmed. One particular farmer noticed that after a few years of using Roundup weed killer, it became less effective, leaving more andynore weeds alive after spraying. Which of the following explanations, best describes why these weeds remained alive? After years of exposure to Roundup, the soybeans became more resistant to the weed killer. Roundup-resistant weeds were more likely to survive and reproduce than were non-resistant individuals. When Bayer bought out Monsanto, they started selling poor-quality Roundup. Roundup-resistant weeds have less-efficient photosynthetic pathways than the original form.arrow_forwardI chose plant to write about for fun so write about that one.arrow_forwardHow might humans interact with the system of insect infestation in tomatos in order to produce plants with a strong defense against insect infestation (simply answer please)arrow_forward
- One benefit to the use of GMOS is that they have led to great increases in crop yields they have led to reductions in herbicide use they hybridize with wild plants they may increase shelf life of produce they lead to increased biodiversityarrow_forwardYou have been put in charge of developing a breed of domesticated dog that lives to be 40 years old on average. You will need to brainstorm for several minutes on how you could extend the life of dogs. You should refer to the example of the fruit flies from lecture.As part of this project, the breeders will need to put together an informational brochure to hand out to veterinarians and prospective owners of the dogs, which discusses: first, how dogs' age will be extended, then, some of the potential consequences of having a pet that lives for such a long time. The brochure will need to inform prospective owners that these dogs may live 40 or more years. It should point out that someone who is 30+ years old may have to plan on care for the pet if it were to outlive him or her. Also, there will be more lifetime costs associated with these dogs simply because they live so long. These dogs may be prone to diseases that are not seen in dogs with shorter life spans. Finally, there may be…arrow_forwardDevelopment of a transgenic food crop may help in solving the problem of night blindness in the developing countries, name this crop plant.arrow_forward
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