Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 37, Problem 12TYK
Summary Introduction
To analyze:
The reason due to which rapid growth caused by synthetic auxins is lethal to a plant.
Introduction:
Auxin is a phytohormone that is responsible for stimulating growth of plants by stimulating cell division and elongation. This plant hormone, in its synthetic form, is also used as a weedicide. It is known for growing the plant to its death. The synthetic form 2,4-D is responsible for killing broadleaf weeds in a cereal crop field.
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Give Detailed explanation Solution (don't give Handwritten answer)
Many different treatments were possible in the phototropism
experiment. Based on your understanding of phototropism, provide
predictions about the direction of plant growth for the following two
scenarios, and explain your reasoning.
1. The tip of the coleoptile is removed and lanolin with auxin is applied
to the dark side of the stem.
2. The tip of the coleoptile is removed and lanolin with auxin is applied
to the light side of the stem.
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:
Chapter 37 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 37.1 - Prob. 1SBCh. 37.1 - Prob. 2SBCh. 37.1 - Prob. 3SBCh. 37.2 - Prob. 1SBCh. 37.2 - Prob. 2SBCh. 37.2 - Prob. 3SBCh. 37.3 - Prob. 1SBCh. 37.3 - Prob. 2SBCh. 37.4 - Prob. 1SBCh. 37.4 - Prob. 2SB
Ch. 37.4 - Prob. 3SBCh. 37 - Prob. 1TYKCh. 37 - Which is the correct pairing of a plant hormone...Ch. 37 - Prob. 3TYKCh. 37 - Prob. 4TYKCh. 37 - Prob. 5TYKCh. 37 - Prob. 6TYKCh. 37 - Prob. 7TYKCh. 37 - Prob. 8TYKCh. 37 - Prob. 9TYKCh. 37 - Prob. 10TYKCh. 37 - Prob. 11TYKCh. 37 - Prob. 12TYKCh. 37 - Prob. 13TYKCh. 37 - Prob. 14TYKCh. 37 - Prob. 15TYKCh. 37 - Prob. 17TYKCh. 37 - Prob. 1ITDCh. 37 - Prob. 2ITDCh. 37 - Prob. 3ITD
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- D2)arrow_forwardWhich of the following is NOT an accurate statement about the acid growth hypothesis? Select one: O A. Expansins are activated by high acidity in the cell wall O B. It explains cell elongation in response to auxin O C. Wedge- shaped expansin enzymes separate cross-linking polysaccharides from microfibrils O D. It proposes that auxin increases the activity of proton pumps in target cells O E. Expansins cleave cross-linking polysaccharides Next Farrow_forwardThis is a picture of the initial experiments to figure out how auxin and phototropism worked. How do you expect the plant will grow in each scenario and why?arrow_forward
- Explain the concept of phototropism and how auxin is involve in this process. Give some examples.arrow_forwardThis is a picture of the initial experiments to figure out how auxin and phototropism worked. How do you expect the plant will grow in each scenario and why?arrow_forwardWhat is the gravity receptor involved in gravitropism?arrow_forward
- Determine the function of chemicals listed in Experiment.arrow_forwardIllumination with red light but not far-red light will generate the Pfr form of phytochrome True Falsearrow_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. (b) Explain the role that auxin has in eliciting the plant’s response.arrow_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. a) Describe the plant’s response to the presence of light. (refer to picture)arrow_forwardDescribe the unique way that auxin can move through a plant.arrow_forwardExplain the signaling mechanism associated with auxin actionarrow_forward
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