Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 39, Problem 39.4CR
Plants that have acclimated to drought stress are often more resistant to freezing stress as well. Suggest a reason why.
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Chapter 39 Solutions
Campbell Biology (11th Edition)
Ch. 39.1 - What are the morphological differences between...Ch. 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 - MAKE CONNECTIONS Plants detect the quality of...Ch. 39.4 - Prob. 1CC
Ch. 39.4 - Prob. 2CCCh. 39.4 - Prob. 3CCCh. 39.5 - What are some drawbacks of spraying fields with...Ch. 39.5 - Chewing insects mechanically damage plants and...Ch. 39.5 - Many fungal pathogens get food by causing plant...Ch. 39.5 - WHAT IF? Suppose a scientist finds that a...Ch. 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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- describe the relative tolerance of the various kinds of plants to the factors that affect them here. (What do ‘city’ plants have to be able to tolerate that ‘forest’ plants would not have to deal with?)arrow_forwardWhat would likely happen to an herbaceous plant if the soil water content is below optimal range and there is increased ambient temperature?arrow_forwardDescribe various factors that affect plant growth (e.g. growth regulators,sunlight, nutrients, water, tropism), and explain by giving example, why someplants can live in the forest although they might not be exposed to the sun ‘nosunlight can reach them’.arrow_forward
- Which of the following would allow a plant to tolerate a cold environment? Group of answer choices A. producing small, smooth leaves with a small boundary layer B. generating sparsely placed leaf hairs to reflect solar radiation C. increasing the proportion of unsaturated fatty acids in cell membranes D. increasing evapotranspiration E. increasing the proportion of leaf mass relative to total body massarrow_forwarddescribe the symptoms of specific nutrient deficiencies in plants.arrow_forwardWhy does salinity create problems for plants and how do they adapt?arrow_forward
- Define the concept of osmotic adjustment in root cells and how its occurrence is of benefit to plant survival.arrow_forward2,4-D and 2,4,5-T are examples of hormonal-based herbicides. Name the phytohormone behind this herbicides and how it works in suppressing weeds.arrow_forwardWhat are the effects of sulphur dioxide stress (exposed to a excesssive amount of SO2) on plants ? With regards to: >Stomata opeing >Chlorophyll content >Number of leavesarrow_forward
- The hormone abscisic acid provides advantages to plants in stress conditions by Select one: inhibiting the growth of nearby plants and so reducing competition attracting beneficial predatory insects increasing tolerance to environmental stressarrow_forwardDiscuss early events in the sensing of abiotic stress by plants and the acclimation pathways activated by the events. Focus on membrane stability and integrity, protein/DNA structure, enzyme activity and signalling.arrow_forwardDiscuss other morphological differences between sunny and shady set-ups of mung bean in relation to phototropic response of plants. Characteristics sunny shaded Leaf color Lime Green Pale Green Direction of Growth Grows upward towards the direction of sunlight Oriented in the direction of the light but growth is bent downwardarrow_forward
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