Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 30, Problem 14SQ
Summary Introduction
Concept introduction: Systemic acquired resistance is a type of resistance response induced in a plant following an earlier attack by a pathogen. It protects the plant body from a wide range of fungal and viral attacks. Whenever a plant gets attacked by a pathogen, its systemic-acquired resistance gets activated by that moment itself. This type of resistance has a very close similarity with the innate immunity in mammals.
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Plants have systemic defense mechanisms (i.e., those that are not normally active but can be induced when the plant is under attack). Briefly describe an example of one systemic defense, including the processes, structures and/or molecules involved.
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Chapter 30 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Volatile Secondary Metabolites in Plant Stress...Ch. 30 - Prob. 4DAACh. 30 - Prob. 1SQCh. 30 - Prob. 2SQCh. 30 - Prob. 3SQCh. 30 - _______ is the hormone in most rooting compounds....Ch. 30 - Prob. 5SQCh. 30 - Prob. 6SQ
Ch. 30 - Prob. 7SQCh. 30 - Ethylene differs from other hormones in that it...Ch. 30 - Prob. 9SQCh. 30 - Prob. 10SQCh. 30 - Prob. 11SQCh. 30 - Prob. 12SQCh. 30 - Match the hormone with the description. _____...Ch. 30 - Prob. 14SQCh. 30 - Prob. 15SQCh. 30 - Professional gardeners often soak seeds in...Ch. 30 - Photosynthesis sustains plant growth, and inputs...Ch. 30 - Prob. 3CTCh. 30 - Cattle in industrial dairy farms are typically...Ch. 30 - The oat coleoptiles on the left have been...
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- Plants have systemic defense mechanisms ( those that are not normally active but can be induced when the plant is under attack) describe an example of one systemic defense, including the processes, structures and/or molecules involved.arrow_forwardSome plants are recognized by fungal pathogens on the basis of their stomatal pores. Which of the following would provide these plants immunity from fungal infection? a. Removing all of the stomata from the plant b. Changing the spacing of stomatal pores in these plants c. Reinforcing the cell wall in the guard cells of stomatal pores d. Increasing the number of trichomes on the surfacesarrow_forwardIn response to plant pathogens, plants will ______ hypersensitivity response and ____ salicyclic acid levels. Select one: a. suppress, increase b. suppress, decrease c. promote, decrease d. promote, increasearrow_forward
- 4 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 itarrow_forward1. This hormone also helps in the plant regulation of body fluid A. Gibberellins B. Ethylene C. Abscisic Acid D. Auxin 2. This TRIGGERS the guard cells daily clocking in every 24 hours A. Aquaporins B. Circadian rhythm C. Abscisic Acid D. Lactic acidarrow_forwardA fixative serves to :- a. stop tissue decay. b. improve contrast. c. repair a damaged tissue. d. bind epithelial cells together. e. bind cardiac myocytes together.arrow_forward
- 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_forwardLicorice root was used in Greece, China, and Egypt to treat digestive and respiratory problems. The active compound in licorice root, glycyrrhizin, is found to induce high blood pressure and have anti-inflammatory effects.What would be the effect of long-term consumption of licorice root? Select one: a. low blood sugar levels and increased immune response b. low blood sugar levels and decreased immune response c. high blood sugar levels and increased immune response d. high blood sugar levels and decreased immune responsearrow_forwardWhich of the following is the best reason for using a plant to deliver a vaccine? A) Plants can deliver the highest quantity of antigen. B) Plants can be eaten and give gastrointestinal immunity. C) Plants can harbor live attenuated whole-agents. D) The plant cell walls will prevent the antigen from exiting the cells. E) A gene for an antigenic protein can only be expressed in plants.arrow_forward
- Name 3 plant extracts that have demonstrated their significant antifungal activity against a broad range of fungal human pathogens. (Select all that apply) Choose at least one answer. a. fennel b. cilantro c. thyme d. basilarrow_forwardMutation is: A. a factor responsible for plant growth B. a change which affects the offspring of F2 generation only C. a change that is inherited D. a change which affects the parentsarrow_forward1. A) Describe the three steps (Reception, Transduction, Response) of de-etiolation (greening response) signal transduction in plants. B) Describe a signal transduction (give the stimulus and response) that may occur in humans.arrow_forward
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