Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 46.2, Problem 4TC
Agricultural biotechnologists have developed genetically modified tomato plants in which ethylene production is blocked. Why might such a plant be valuable to tomato growers?
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A majority of genetically engineered crops in production worldwide today have been engineered with a gene that:
A) codes for a protein that improves the nutrient value of the food
B) codes for a protein which makes the crop resistant to the herbicide Roundup
C) codes for a protein that allows the plant to thrive in a high-salt environment
D) codes for a protein that suppresses the production of allergens in the food
A nine-year research and experimentations have successfully developed rice plants with golden hue kernels instead of the usual white kernels. What is the advantage of this modified rice plant?
Select one:
To make the plant become resistant to herbivores.
To provide sufficient rice produce due to its shorter cycle.
To add nutritional value to the rice kernels.
To allow easy harvesting and processing.
Much of the controversy over genetically engineered foods has centered on whether special labeling should be required on all products made from genetically modified crops. Some people have advocated labeling that identifies the product as having been made from genetically modified plants. Others have argued that food labeling should be required to identify only the ingredients, not the process by which they were produced. Choose a side in this issue and justify your stand.
Chapter 46 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 46.1 - list six important types of plant hormones?Ch. 46.1 - Prob. 2CYLCh. 46.2 - Prob. 1CTCh. 46.2 - explain the roles of plant hormones in seed...Ch. 46.2 - Explain how the Darwin experiments using caps and...Ch. 46.2 - Prob. 2CYLCh. 46.2 - Prob. 2TCCh. 46.2 - Prob. 3CYLCh. 46.2 - Prob. 3TCCh. 46.2 - Prob. 4CYL
Ch. 46.2 - Agricultural biotechnologists have developed...Ch. 46.2 - Prob. 5CYLCh. 46.2 - Prob. 6CYLCh. 46.3 - Although insects are major plant predators,...Ch. 46.3 - Prob. 1CYLCh. 46.3 - Prob. 1HYEWCh. 46.3 - Prob. 1TCCh. 46.3 - Prob. 2CYLCh. 46 - A student reporting on a project said that one of...Ch. 46 - Prob. 1FIBCh. 46 - Prob. 1MCCh. 46 - Compare phototropism and gravitropism in roots and...Ch. 46 - Prob. 2ACCh. 46 - Prob. 2FIBCh. 46 - Prob. 2MCCh. 46 - Prob. 2RQCh. 46 - Prob. 3FIBCh. 46 - Prob. 3MCCh. 46 - What is a phytochrome? How do the two forms of...Ch. 46 - Prob. 4FIBCh. 46 - Prob. 4MCCh. 46 - Which hormones cause fruit development? Which...Ch. 46 - The hormone _________ causes stomata to close when...Ch. 46 - Prob. 5MCCh. 46 - What is senescence? Describe some changes that...Ch. 46 - Prob. 6RQCh. 46 - Describe one example of a plant chemical defense...Ch. 46 - Describe how a sensitive plant closes its leaves....
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- Artificial leaves are beginning to be developed by biotechnology companies. Outline the basic characteristics that an artificial leaf would need to have to manufacture a sugar.arrow_forwardWhat are the various advantages of using genetically modified plants to increase to overall yield of the crop?arrow_forwardCorn has been genetically engineered to produce the anti-insect poison of a bacterium Bacillus thuringiensis. What is one benefit of this? What are some of the risks?arrow_forward
- Genetically modified organisms (GMOs) are used to create human growth hormone, insulin and clotting factor proteins that are used to treat dwarfism, diabetes and hemophilia respectively. Several crops such as corn and soybean have also been genetically modified in order to facilitate either the management or growth of these crops. Why do you think there is push back or opposition against the use of GM food crops but not in the use of products such as insulin, which is also created using GMOs?arrow_forwardHow do you know that there will not be any long-term consequences to humans or animals from the consumption of food or feed that contains products from biotechnologically enhanced plants?arrow_forwardExplain about Insect-Resistant GM Crops ?arrow_forward
- Some crop plants are modified genetically by manipulating their genes. How are they made beneficial?arrow_forward7) Farmers in India have increased the harvest yield of food crops like eggplant by growing them from seeds that have been modified to produce a bacterial toxin that is harmful to pest insects. This is an example of a) selective breeding of the insecticide b) spraying an insecticide on plants c) selective breeding of the eggplant d) an application of biotechnologyarrow_forwardYou have been chosen as the lead student gardener for the CSUMB Future Farmers of America Club (FFAC). Your club is looking to you and your Bio211 plant experience to guide them. You arrive at the new FFAC garden plots where your club mates show you their cherry tree that they've been having trouble with. Originally, its leave would change color and fall off the tree, as expected, in the autumn. However, more recently the leaves started changing color and falling off in the spring time. Which hormone does the tree likely have in excess and why?arrow_forward
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