Biology (MindTap Course List)
10th Edition
ISBN: 9781285423586
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 38, Problem 4TYU
Summary Introduction
Introduction: Plant hormones are chemical molecules produced by plants in extremely low concentration for regulating growth and development. There are five major hormones involved in the growth process. They are auxin, gibberellin, ethylene, abscisic acid, and cytokinin. Each of these hormones has their own functions at specific locations. The presence of these hormones in a definite amount is very essential for the normal growth and development of the plant.
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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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- . Charles and Francis Darwin discovered that(A) auxin is responsible for phototropic curvature.(B) red light is most effective in shoot phototropism.(C) light destroys auxin.(D) light is perceived by the tips of coleoptiles.arrow_forward50. Read the given statements and select the correct option. (i) Darwin and Darwin (1880) found that sensation of unilateral illumination was perceived by the coleoptile tip of canary grass. (i) IAA is universal natural auxin, discovered by Kogl et al. (iii) IBA is both natural and synthetic auxin. (iv) Auxins promote the growth of lateral shoots. (a) Statements (i) and (ii) are correct. (b) Statements (ii) and (iii) are correct. (c) Statements (i), (ii) and (iii) are correct. (d) Statements (i), (ii), (iii) and (iv) are correct.arrow_forwardLast Valentine's day, an 18-year old girl received a bouquet of flowers from the boy that she likes. She wanted to keep the cut flowers for a few more days so she asked for your advice on how she can retain the freshness of the flowers. Given this situation, what specific plant hormone would you recommend to her? a. abscisic acid b. auxin c. ethylene d. gibberellin e. cytokininarrow_forward
- Plant-to-plant signalling in response to herbivory is mediated by Select one: a)lignin deposition b)abscisic acid c)the anti-malarial molecule artemisin d)volatile organic compoundsarrow_forwardD2)arrow_forwardAn unripe avocado placed in a paper bag with an apple will ripen; its skin will turn darker green, it will soften, and it will produce an increasing amount of odors. Which plant hormone released by the apple causes this effect? Select one: a. Abscisic acid b. Auxins c. Ethylene d. Gibberellins e. Jasmonic acidarrow_forward
- Can you answer all the parts to this question please (a) What are the advantages of the self-incompatibility (SI) system in plants? Give at least three advantages. (b) What are the differences between gametophytic SI and sporophytic SI?arrow_forwarda. Describe the function of plant roots. b) Describe the function of plant shoots. c)What is the function of lignin in terrestrial plants? d)What are xylem and phloem and how do they differ? e)Exactly what is pollen? f)Exacly what is a seed?arrow_forwardEndospermic seeds are found in: (a) castor (b) barley (c) coconut (d) all of thesearrow_forward
- The summer is not optimal for grape growing and you're searching in your memory for something regarding plant hormones. Explain 2 ways you could utilize plant hormones (choose from auxin, ethylene, cytokinin, gibberellin, abscisic acid, salicylic acid, jasonic acid) to compensate for a problem during growing. For each way:arrow_forwardIt was observed during the early 20th century that the abscission zone of leaves of tree growing close to gas burning street lamps weakened (entered the abscission phase) earlier than trees located further away from the lamps. Experiments showed that weakening of the abscission zone was not caused by either the lamp's light or heat. Instead the research on this phenomenon led to the discovery of a new gaseous plant hormone. What is this hormone? Ethylene Abscisic acid (ABA) Gibberellins Auxin Strigolactone Cytokininarrow_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. (c) Explain how the behavioral responses of the plant affect their overall fitness. ( refer to picture )arrow_forward
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