Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 39, Problem 17TYK
Summary Introduction
The hypersensitive response is a characteristic of resistance among several kinds of incompatible interactions that take place between a pathogen and a plant. When an avirulent pathogen enters into the cells of a resistant plant, a complex cascade of signaling occurs.
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Chapter 39 Solutions
Study Guide for Campbell Biology
Ch. 39 - Prob. 1IQCh. 39 - What are the important steps in the transduction...Ch. 39 - What is the plans growth response? What types of...Ch. 39 - Explain how phytochrome can also indicate the...Ch. 39 - What are free-running periods?Ch. 39 - Indicate whether a short-day plant and a long-day...Ch. 39 - Prob. 7IQCh. 39 - Prob. 8IQCh. 39 - Prob. 9IQCh. 39 - Prob. 1SYK
Ch. 39 - Develop a concept map to illustrate your...Ch. 39 - Prob. 3SYKCh. 39 - Prob. 1TYKTCh. 39 - Prob. 2TYKTCh. 39 - Prob. 3TYKTCh. 39 - Prob. 4TYKTCh. 39 - Prob. 5TYKTCh. 39 - Prob. 6TYKTCh. 39 - Prob. 7TYKTCh. 39 - The body form within a species of plant may vary...Ch. 39 - Prob. 2TYKCh. 39 - Small molecules in the cell that amplify signals...Ch. 39 - According to the acid growth hypothesis, a. auxin...Ch. 39 - Which of the following situations would most...Ch. 39 - Prob. 6TYKCh. 39 - Prob. 7TYKCh. 39 - Prob. 8TYKCh. 39 - Prob. 9TYKCh. 39 - Prob. 10TYKCh. 39 - Prob. 11TYKCh. 39 - Prob. 12TYKCh. 39 - Prob. 13TYKCh. 39 - Prob. 14TYKCh. 39 - Prob. 15TYKCh. 39 - Which of the following is not a plant defense...Ch. 39 - Prob. 17TYK
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- Which of the following best describes evidence of a hypersensitive response? Select one: a. The bending of the coleoptile towards light. b. The growth of roots down and shoots up. c. When cells around an infection site die, depriving the pathogen of nutrients and preventing it from spreading. d. When plants elongate in response to being shaded. e. When stomata close despite plenty of CO 2 and water.arrow_forwardWhich hormone can regulate guard cells? Select one: a. ethylene b. abscisic acid c. gibberellin d. cytokinin e. auxinarrow_forwardSystemic acquired resistance______ . a. occurs in response to pathogen detection b. causes the release of volatile chemicals c. is a hypersensitive response to pathogens d. defends the plant against herbivory e. does not involve hormonesarrow_forward
- Choose the one answer that fits best. Which of the following is NOT true with respect to plant defenses? O a. Plants are susceptible to infections by bacteria and fungi. O b. Some plant produce chemicals that inhibit the growth of other plant species. O c. Some plant produce pheromones to alert other members of the same species of the presence of herbivores. d. Some plants produce volatile chemicals with strong odors that are unpleasant to herbivores. e. All plants produce toxic chemicals to prevent infection from bacteria and fungi as well as to deter herbivores.arrow_forward4 types of plant defenses are shown (a, b, c, d) in the figure below. Explain two of the depicted defenses using the terms (constitutive OR induced) and (physical OR chemical) (ie. letter e shows an example of a constitutive chemical response to deter organisms from eating it)arrow_forwardWhat is the biological function of SOS in plants? Select one: a. it is a calcium antiporter b. it is a sodium transporter c. it alleviates stress by seeking help during drought d. it improves calcium nutrition in plants e. it promotes salt sensitivityarrow_forward
- Distinguish between a hypersensitive response and systemicacquired resistance in plantsarrow_forward3. How do plants protect themselves from pathogens? I. They have specialized cells and antibodies that search and destroy pathogens. II. They have cell-surface receptors that recognize pathogens and elicit defense responses. III. They have impenetrable physical barriers such as bark and waxy cuticles. IV. They are capable of localized response characterized by self-destruction of plant cells around the site of infection. * I, III, and IV I, II, and IV I, II, III, and IV II, III, and IV No answerarrow_forwardExplain why there are often trade-offs between plantgrowth and plant defense.arrow_forward
- Which of the following is NOT the benefit providing by transformed plants producing plant antibodies? Lütfen birini seçin: O a. To remove environmental pollutants O b. To increase resistance to pathogens O c. To increase the nutritional value of crop O d. To modulate plant properties O e. To stimulate human immunityarrow_forwardDescribe one example of a plant chemical defense mechanism.arrow_forwardElaborate helps provided by the following materials/compounds in plant defense. (i) Phenolic compounds (ii) Trichomes (iii) Cutinarrow_forward
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