Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 39, Problem 1TYU
Summary Introduction
Introduction: Plants undergo many stresses like stress due to drought, flood, freezing cold, heat, and salt. In order to survive in those extreme conditions plants have different adaptation methods.
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Chapter 39 Solutions
Campbell Biology
Ch. 39.1 - Prob. 1CCCh. 39.1 - Cycloheximide is a drug that inhibits protein...Ch. 39.1 - Prob. 3CCCh. 39.2 - Prob. 1CCCh. 39.2 - WHAT IF? If a plant has the double mutation err...Ch. 39.2 - MAKE CONNECTIONS What type of feedback process is...Ch. 39.3 - If an enzyme in field-grown soybean leaves is most...Ch. 39.3 - WHAT IF? If a plant flowers in a controlled...Ch. 39.3 - Prob. 3CCCh. 39.4 - Prob. 1CC
Ch. 39.4 - Prob. 2CCCh. 39.4 - Prob. 3CCCh. 39.5 - Prob. 1CCCh. 39.5 - Chewing insects mechanically damage plants and...Ch. 39.5 - Many fungal pathogens get food by causing plant...Ch. 39.5 - Prob. 4CCCh. 39 - What are two common ways by which signal...Ch. 39 - Is there any truth to the old adage, "One bad...Ch. 39 - Why did plant physiologists propose the existence...Ch. 39 - Plants that have acclimated to drought stress are...Ch. 39 - Prob. 39.5CRCh. 39 - Prob. 1TYUCh. 39 - Prob. 2TYUCh. 39 - Prob. 3TYUCh. 39 - How may a plant respond to severe heat stress? (A)...Ch. 39 - Level 2: Application/Analysis 5. The signaling...Ch. 39 - If a long-day plant has a critical night length of...Ch. 39 - Prob. 7TYUCh. 39 - DRAW IT Indicate the response to each condition by...Ch. 39 - Level 3: Synthesis/Evaluation 9. EVOLUTION...Ch. 39 - SCIENTIFIC INQUIRY A plant biologist observed a...Ch. 39 - SCIENCE. TECHNOLOGY, AND SOCIETY Describe how our...Ch. 39 - Prob. 12TYUCh. 39 - Prob. 13TYU
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- discuss five (5) plant hormonesarrow_forwardWhen you prune shrubs to make them “bushier”—that is, to prevent apical dominance—you are affecting the distribution and action of which plant hormone? (a) auxin (b) jasmonic acid (c) salicylic acid (d) ethylene (e) abscisic acidarrow_forwardThe signaling molecule for flowering might be released earlierthan usual in a long-day plant exposed to flashes of(A) far-red light during the night.(B) red light during the night.(C) red light followed by far-red light during the night.(D) far-red light during the dayarrow_forward
- Plant cells communicate in a variety of ways to elicit cellular responses. In the figure below the plant is responding the presence of light with the release of auxin. Auxin was first discovered for its ability to promote growth in plants. It is a plant hormone that inhibits the lengthening and stimulate the formation of lateral roots and root hairs. (c) Explain how the behavioral responses of the plant affect their overall fitness. ( refer to picture )arrow_forwardPlant cells communicate in a variety of ways to elicit cellular responses. In the figure below the plant is responding the presence of light with the release of auxin. Auxin was first discovered for its ability to promote growth in plants. It is a plant hormone that inhibits the lengthening and stimulate the formation of lateral roots and root hairs. a) Describe the plant’s response to the presence of light. (refer to picture)arrow_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
- A tobacco plant has successfully fended off plant pathogen via hypersensitive response (HR). (i) What would you be able to observe on the plant and explain the processes that happened at cellular level? What are the benefits for the tobacco plant that has developed systemic acquired resistance (SAR) in comparison to HR? (ii) (ii) Name the chemical compounds responsible in triggering SAR and how would this signal be transmitted?arrow_forward1. Skunk cabbage has evolved stinky flowers because (a) the smell prevents other plants from growing nearby all year long. (b) all yellow flowers smell bad. (c) the odor attracts pollinators. (d) the odor repels pollinators. 2. Which of the following is not a characteristic of most plants? (a) carries out photosynthesis (b) has cell walls made of cellulose (c) has yellow flowers (d) has specialized reproductive organs 3. Much of the oxygen in the earth's atmosphere (a) is produced as a waste product of cellular respiration in plants. (b) is released as a byproduct of photosynthesis. (c) is produced as a waste product of cellular respiration in animals. (d) is produced by tree frogs. 4. The mature sporophyte of a fern (a) produces haploid spores by meiosis. (b) produces diploid spores by meiosis. (c) produces diploid spores by mitosis. (d) produces haploid spores by mitosis. 5. Fusion of male and female gametes in plants produces (a) a eudicot stamen. (b) a style. (c) a haploid spore.…arrow_forwardTida made a sketch of a plant in her bedroom, similar to the one shown below. She keeps the plant near a sunnywindowsill. Tida wants to investigate how the plant will respond if she turns it 180 degrees, or one half circle. She turnsthe plant and observes it two days later. a Most of the plant's leaves will be facing side B. b The plant's top leaves will droop downward. c The plant will lose more leaves on side A. d The plant's leaves will be evenly distributed between sides A and B.arrow_forward
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