WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 19, Problem 6SA
Summary Introduction
To review:
Which hormone(s) plays a role in the ripening of fruits that have been picked while they are still green; and how this information is valuable in the agriculture industry.
Introduction:
Ethylene is the plant hormone responsible for fruit ripening.
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Plant Hormones
Ripe fruit has a high-carbohydrate content and tastes sweet. In contrast, grain, which also has a high-carbohydrate content, does not elicit a sweet sensation when consumed. Suggest a reason for this disparity from the plant’s point of view.
Which hormone(s) is/are responsible for the ability of sunflowers to turn their flowers to track the sun throughout the day? Explain how these hormones work.
Chapter 19 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
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- 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_forwardIf a farmer wanted less tightly packed clusters of grapes, he would most likely spray the immature bunches with which of the following hormones? cytokinins gibberellins auxin abscisic acidarrow_forwardThe 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_forward
- List some examples of plant hormones.arrow_forwardPlease name and describe the functions of the five most important minerals for plant growth: N, K, Ca, Mg & P (Table 14.3). Describe the consequences of deficiencies in these minerals. (the table is attached as an image)arrow_forwardScientists studied changes in proline, which is an indicator of plant stress and overall protein content in the corn plant when leaves had been consumed by grasshoppers. Corn plants were exposed to varying numbers of grasshoppers and compared to control plants with no grasshopper exposure. The bar graphs, with error bars, show the mean proline and protein content. The dashed lines show the proline and protein content of healthy plants 10 days prior to treatment. Which of the following statements would most likely describe the growth of corn plants in this study? When there is a decrease in the number of grasshoppers (dependent variable) measured against proline and protein content (independent variables), the corn plants would have slower growth and be smaller than the control plants. When there is an increase in the number of grasshoppers (dependent variable) measured against proline and protein content (independent variables), the growth of the corn plants would be similar…arrow_forward
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