Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 38.3, Problem 6LO
Summary Introduction
To describe: The role of phytochrome in flowering, including phytochrome signal transduction.
Introduction: Photoreceptor refers to the light-sensitive proteins that are involved for sensing and response to the light in many organisms. The three main classes of photoreceptors are phytochrome, cryptochrome, and phototropin.
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Chapter 38 Solutions
Biology (MindTap Course List)
Ch. 38.1 - Prob. 1LOCh. 38.1 - Prob. 1CCh. 38.1 - Prob. 2CCh. 38.2 - Prob. 2LOCh. 38.2 - Prob. 3LOCh. 38.2 - Prob. 4LOCh. 38.2 - Prob. 1CCh. 38.2 - Prob. 2CCh. 38.2 - Which hormones are involved in each of the...Ch. 38.3 - Explain how varying amounts of light and darkness...
Ch. 38.3 - Prob. 6LOCh. 38.3 - Prob. 7LOCh. 38.3 - Prob. 8LOCh. 38.3 - Prob. 1CCh. 38.3 - Prob. 2CCh. 38.3 - Prob. 3CCh. 38.4 - Prob. 9LOCh. 38.4 - Prob. 1CCh. 38 - Prob. 1TYUCh. 38 - Prob. 2TYUCh. 38 - Prob. 3TYUCh. 38 - Prob. 4TYUCh. 38 - The stress hormone that helps plants respond to...Ch. 38 - Prob. 6TYUCh. 38 - Prob. 7TYUCh. 38 - Pfr, the active state of _______________, forms...Ch. 38 - Prob. 9TYUCh. 38 - Which signaling molecule triggers the release of...Ch. 38 - Prob. 11TYUCh. 38 - PREDICT State whether flowering in a short-day...Ch. 38 - PREDICT If you transplanted the short-day plant...Ch. 38 - EVOLUTION LINK What adaptive advantages are...Ch. 38 - Prob. 15TYUCh. 38 - Prob. 16TYUCh. 38 - Prob. 17TYU
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- Explain how varying amounts of light and darkness induce flowering.arrow_forwardExplain the concept of phototropism and how auxin is involve in this process. Give some examples.arrow_forwardDiscuss the role of phytohormones, fertilizers and pesticides, and genetic engineering in the development and growth of plants. Describe how the environment has a significant impact in plant growth and development.arrow_forward
- Discuss the importance of the phytochrome system.arrow_forwardWhich of the following statements is false? a. Auxin and gibberellin promote stem elongation b. Cytokinin promotes cell division in shoot tips c. Abscisic acid promotes water loss and dormancy d. Ethylene promotes fruit ripening and abscission.arrow_forwardDescribe how photoperiod affects the flowering of the following group of plants : i) day-neutralarrow_forward
- Examine the shoot system of a mature plant (Coleus blumei). Identify the shoot tip, nodes, internodes, leaves, and axillary buds. Each unit of stem that consists of a leaf, axillary bud and internode is referred to as a phytomere. Note that axillary buds always occur above a leaf. Axillary buds give rise to branch shoots. Thus, branching in a shoot system is exogenous (of external origin). How does this compare to branching in a root system?arrow_forwardDescribe various stem modifications associated with food storage, climbing and protection.arrow_forwardWhat are the TWO (2) light regions detected by phytochromes and identify photoreceptor responsible for phototropism response in plants? *arrow_forward
- explain the roles of plant hormones in seed dormancy, seed germination, and directional growth of the emerging root and shoot?arrow_forwardSketch observations of monocot stem vascular bundle. Label xhlem, phloem, sieve-tube member, companion cell, vessel member and tracheid.arrow_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_forward
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