EBK BIOLOGY
11th Edition
ISBN: 8220102797352
Author: Raven
Publisher: YUZU
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Chapter 39, Problem 9U
If a plant has been attacked by a pathogen, then it is likely to be able to respond more quickly to a subsequent attack due to a mechanism called
a. basal defense.
b. induced hypersensitive response.
c. antimicrobial pathogen resistance.
d. systemic acquired resistance.
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Chapter 39 Solutions
EBK BIOLOGY
Ch. 39 - Nonnative invasive species are often a threat to...Ch. 39 - Prob. 2UCh. 39 - Prob. 3UCh. 39 - Prob. 4UCh. 39 - Parasitoid wasps protect plants from caterpillars...Ch. 39 - In response to wounding, a tomato plant first...Ch. 39 - When a cell undergoes a hypersensitive response,...Ch. 39 - The wound response products that bind to digestive...Ch. 39 - If a plant has been attacked by a pathogen, then...Ch. 39 - Prob. 1A
Ch. 39 - Both plant and animal immune systems can a....Ch. 39 - Your friend informs you that it is highly likely...Ch. 39 - Prob. 4ACh. 39 - You decide to plant a garden with a beautiful...Ch. 39 - Prob. 6ACh. 39 - Prob. 1SCh. 39 - Parasitoid wasps seem like an effective method to...Ch. 39 - Prob. 3S
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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_forwardChoose 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_forwardWhich of the following is an effective plant defense against insect herbivory? Select one: a. Hypersensitive response b. Gene-for-gene resistance c. Salicylic acid d. Protease inhibitors e. Resistance genesarrow_forward
- Some 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_forwardWhich hormone can regulate guard cells? Select one: a. ethylene b. abscisic acid c. gibberellin d. cytokinin e. auxinarrow_forwardJim has been diagnosed with meningococcal disease. His family has been started on an antibiotic to prevent them contracting the disease. This is an example of a. infection. b. prophylaxis. c. antimicrobial resistance. d. host defense.arrow_forward
- 3. 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_forwardName 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_forwardCan you think of a reason why a doctor might choose to use an antibiotic that produces a SMALLER zone of inhibition against a pathogen than one that produces a larger zone of inhibitionarrow_forward
- Toll-like receptors (TLRS) act to A. cause phagocytic chemotaxis. B. induce phagocytosis. C. bind microbial proteins and polysaccharides. D. destroy microbial cells. You may select zero, one, or many answers.arrow_forwardHCl is involved in a. All of the above b. antimicrobial activity. | c. protein denaturation. O d.D cell activation. e. pepsin activation.arrow_forwardAcidic environments slow the growth of or destroy some pathogens. Which locations in the body use this defence mechanism? Select ALL that apply. a. Skin (sweat) b. Mouth (saliva) O c. Stomach (hydrochloric acid) O d. Vagina (produced by beneficial bacteria) e. Urinary tract (urine)arrow_forward
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