Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135755785
Author: Gerald Audesirk, Teresa Audesirk
Publisher: PEARSON+
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Chapter 46, Problem 2FIB
Summary Introduction
Introduction:
The growth of the plant is mediated by the plant hormones. Plant hormones are the chemicals secreted by specific cells and transported via xylem and phloem to other parts of the plants. Each plant hormone has a specific effect and target tissue. There are six major plant hormones: auxin, gibberellin, cytokinin, ethylene, abscisic acid, and florigen. These hormones regulate the growth and development of plants.
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Chapter 46 Solutions
Pearson eText Biology: Life on Earth with Physiology -- Instant Access (Pearson+)
Ch. 46.1 - list six important types of plant hormones?Ch. 46.1 - Prob. 2CYLCh. 46.2 - Explain how the Darwin experiments using caps and...Ch. 46.2 - Prob. 1CTCh. 46.2 - Prob. 2TCCh. 46.2 - Prob. 3TCCh. 46.2 - Agricultural biotechnologists have developed...Ch. 46.2 - explain the roles of plant hormones in seed...Ch. 46.2 - Prob. 2CYLCh. 46.2 - Prob. 3CYL
Ch. 46.2 - Prob. 4CYLCh. 46.2 - Prob. 5CYLCh. 46.2 - Prob. 6CYLCh. 46.3 - Although insects are major plant predators,...Ch. 46.3 - Prob. 1HYEWCh. 46.3 - explain how plants that are attacked by predators...Ch. 46.3 - explain how plants that are attacked by predators...Ch. 46.3 - Prob. 3CYLCh. 46.3 - Prob. 4CYLCh. 46.3 - Prob. 1TCCh. 46 - Prob. 1MCCh. 46 - Prob. 2MCCh. 46 - Prob. 3MCCh. 46 - Prob. 4MCCh. 46 - Prob. 5MCCh. 46 - Prob. 1FIBCh. 46 - Prob. 2FIBCh. 46 - Prob. 3FIBCh. 46 - Prob. 4FIBCh. 46 - The hormone _________ causes stomata to close when...Ch. 46 - Compare phototropism and gravitropism in roots and...Ch. 46 - Prob. 2RQCh. 46 - What is a phytochrome? How do the two forms of...Ch. 46 - Which hormones cause fruit development? Which...Ch. 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....Ch. 46 - A student reporting on a project said that one of...Ch. 46 - Prob. 2AC
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- This plant is referred to as This plant is referred to as : Venus flytrap : butterwort : sundew : bladderwortarrow_forwardFill in the blank. Words choice: • bud scales • nodes • apical meristem • axillary buds • internodes • terminalarrow_forwardVolatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.20. Volatile Compound Produced Treatment C T W WT HV HVT Myrcene 0 0 0 0 17 22 -Ocimene 0 433 15 121 4.299 5.315 Linatod 0 0 0 0 125 178 indole 0 0 0 0 74 142 Nicotine 0 0 233 160 390 538 -Etemene 0 0 0 0 90 102 -Caryophyllene 0 100 40 124 3.704 6.166 -Humutene 0 0 0 0 123 209 Sesquiterpene 0 7 0 0 219 268 -Farnesene 0 15 0 0 293 457 Caryophyltene oxide 0 0 0 0 89 166 Total 0 555 288 406 9.423 13.563 FIGURE 30.20 Volatile (airborne) compounds produced by tobacco plants (Nicotiana tabacum) in response to predation by Different inserts. Plants were untreated (C), attacked by thrips (T), mechanically wounded (W). mechanically wounded and attacked by thrips (WT), attacked by budworms (HVJ, or attacked by budworms and thrips (HVTJ. Values are nanograms/day. 3. Which one of the chemicals tested is most likely produced by tobacco plants in a nonspecific response to predation?arrow_forward
- Volatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.20. Volatile Compound Produced Treatment C T W WT HV HVT Myrcene 0 0 0 0 17 22 -Ocimene 0 433 15 121 4.299 5.315 Linatod 0 0 0 0 125 178 indole 0 0 0 0 74 142 Nicotine 0 0 233 160 390 538 -Etemene 0 0 0 0 90 102 -Caryophyllene 0 100 40 124 3.704 6.166 -Humutene 0 0 0 0 123 209 Sesquiterpene 0 7 0 0 219 268 -Farnesene 0 15 0 0 293 457 Caryophyltene oxide 0 0 0 0 89 166 Total 0 555 288 406 9.423 13.563 FIGURE 30.20 Volatile (airborne) compounds produced by tobacco plants (Nicotiana tabacum) in response to predation by Different inserts. Plants were untreated (C), attacked by thrips (T), mechanically wounded (W). mechanically wounded and attacked by thrips (WT), attacked by budworms (HVJ, or attacked by budworms and thrips (HVTJ. Values are nanograms/day. 4. Are any chemicals produced in response to predation by budworms, but not in response to predation by thrips?arrow_forwardVolatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.19. FIGURE 30.19 Volatile (airborne) compounds produced by tobacco plants in response to predation by different insects. Plants were untreated (C), attacked thrips (T), mechanically wounded (W), mechanically wounded and attacked by thrips (WT), attacked by budworms (HIV), or attacked by budworms and thrips (HVT). Values are in nanograms/day. Which chemical was produced in the greatest amount? What was the stimulus?arrow_forwardVolatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.19. FIGURE 30.19 Volatile (airborne) compounds produced by tobacco plants in response to predation by different insects. Plants were untreated (C), attacked thrips (T), mechanically wounded (W), mechanically wounded and attacked by thrips (WT), attacked by budworms (HIV), or attacked by budworms and thrips (HVT). Values are in nanograms/day. Which one of the chemicals tested is most likely produced by tobacco plants in a nonspecific response to predation?arrow_forward
- Phytochrome is a plant pigment protein that mediates plant infection promotes plant growth mediates morphological changes in response to red and far-red light inhibits plant growtharrow_forwardWhich plant hormone mediates the seasonal abscission of fruits and leaves? gibberellin ethylene auxin abscisic acid cytokininarrow_forwardApplication of synthetic compounds could artificially modify the plant growth and development, i.e. inducing germination in dormant seeds, producing parthenocarpic fruits, promoting shoot initiation in tissue culture. Collectively, they are called ________________ which are synthetic compounds that imitate the organic naturally occurring substances that modify plant growth anddevelopment at low concentrations.arrow_forward
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How do Plants Handle Stress?; Author: Alex Dainis;https://www.youtube.com/watch?v=TYsnveEHqec;License: Standard Youtube License