Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 29, Problem 8TY
Summary Introduction
Introduction:
There are some different ways in which plants defend themselves from the pathogens and diseases. The binding of elicitors is a resistance by the plants by creating certain molecules. These molecules are present at the cell membrane of the plant and keep the elicitor from attaching the plant.
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Which of the following are examples of indirect chemical defenses? (Select all that apply).
Extrafloral nectar
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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.
SITUATION: You have been taking care of your own plants for several months now. You
made sure that the plants get enough water, sunlight, and minerals for them to be healthy.
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leave immediately. Because of this you forgot to have someone to watch over your plants.
They were kept inside the house for 2 months without being watered and only a minimal
amount of sunlight. Describe the state of the plant upon your return. Defend your answer
based on the concepts on the light dependent reactions.
Chapter 29 Solutions
Principles of Biology
Ch. 29.1 - Prob. 1BCCh. 29.1 - Prob. 1TYKCh. 29.2 - Prob. 1CCCh. 29.2 - Prob. 2CCCh. 29.2 - Prob. 1TYKCh. 29.2 - Prob. 2TYKCh. 29.3 - What kind of light does the active conformation of...Ch. 29.3 - Prob. 2CCCh. 29.3 - Imagine a garden that has been planted with...Ch. 29.3 - Prob. 3CC
Ch. 29.4 - Prob. 1CCCh. 29.4 - Prob. 1TYKCh. 29.5 - Prob. 1CCCh. 29.5 - In what way is systemic acquired resistance to...Ch. 29.5 - Prob. 1TYKCh. 29 - Prob. 1TYCh. 29 - Prob. 2TYCh. 29 - Prob. 3TYCh. 29 - Prob. 4TYCh. 29 - Prob. 5TYCh. 29 - Photoreceptor molecules allow plant cells to...Ch. 29 - Prob. 7TYCh. 29 - Prob. 8TYCh. 29 - Prob. 1CCQCh. 29 - Prob. 2CCQCh. 29 - Prob. 3CCQCh. 29 - Prob. 1CBQCh. 29 - How could you increase the resistance of a...
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- 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_forwardClassify the plants based on the physical appearance of their defense structures. Classify them if they have the following ( If they have put description in each physical apperance, if they don't have put also some description each about it).a. with spinesb. with thornsc. with stinging trichomesd. with cutin or waxy leaves Plants to classify: stems of Euphorbia roses bunny ears cactus century plant makahiya kalamansi star apple leaves stinging nettle plantarrow_forwardHow does the plant hypersensitive response differ from systemic acquired resistance (SAR)?arrow_forward
- The C4 pathway utilizes less ATP than C3 pathway thus enabling C4 plants to adapt to tropical temperatures. Group of answer choices: True Falsearrow_forwardWhich of the following is most likely NOT an example of a plant defense to herbivory? Lignin in the tissues Urushiol production (e.g. in poison ivy) Coconut huskarrow_forwardWhat are the signs of pathogens in plants? Define and give examples.arrow_forward
- Outline how plants protect themselves against pathogenic attack.arrow_forwardWhich 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_forwardPlants 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_forward
- Phenolics, spines, terpenes, cutins, defense related proteins and suberin are some examples of plant defense. Plants are evolving to put up a fight against plant pathogen invasion. (i) Classify them into TWO (2) main classes of plant defense. (ii) What are the roles of terpenes in plant defense?arrow_forwardWhat is meant by variability among pathogens? Explain the significance of the variability of pathogens to the occurrence of plant diseases.arrow_forwardDistinguish between a hypersensitive response and systemicacquired resistance in plantsarrow_forward
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