BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 27, Problem 3CT
Summary Introduction
To determine:
The effect of the mutation causing excessive production of auxin on the
Introduction:
The phytohormones are the chemical compounds released by the plants that influence various physiological processes in the plant like growth, development, senescence, abscission, cell division and so on.
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Certain mutations in common wall cress (Arabidopsisthaliana) cause excess auxin production. Predict theimpact of these mutations on a plant’s phenotype.
Certain mutations in thale cress cause excess auxin production. What are the impact of these mutations on the plants’ phenotype.
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Chapter 27 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 27 - An animal pollinator may be rewarded by _______...Ch. 27 - The arrival of pollen grains on a receptive stigma...Ch. 27 - Prob. 3SACh. 27 - In flowers, the structures that produce male...Ch. 27 - Seeds are mature _______ ; fruits are...Ch. 27 - Prob. 6SACh. 27 - The three main parts of a typical mature eudicot...Ch. 27 - Prob. 8SACh. 27 - Prob. 9SACh. 27 - Prob. 10SA
Ch. 27 - Prob. 11SACh. 27 - Prob. 12SACh. 27 - Prob. 13SACh. 27 - Which of the following statements is false? a....Ch. 27 - Match the observation with the main hormones.. ___...Ch. 27 - The oat coleoptiles on the left have been...Ch. 27 - Is the seedling shown on the right a monocot or...Ch. 27 - Prob. 3CTCh. 27 - Prob. 4CT
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- 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. (b) Explain the role that auxin has in eliciting the plant’s response.arrow_forwardExplain the signaling mechanism associated with auxin actionarrow_forwardGive Detailed explanation Solution (don't give Handwritten answer)arrow_forward
- What is the gravity receptor involved in gravitropism?arrow_forwardDescribe the unique way that auxin can move through a plant.arrow_forwardHow does the signal transduction pathway for auxin that leads to cell wall loosening. Include the receptors ABP and ARF. How does the auxin pathway possibly differ from the 'generic' signal transduction pathway? Consider expressing the cellular components that differ in the absence and presence of auxin.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_forwardbriefly describe the cell elongation in response to auxinarrow_forwardIf the PIN2 gene is rendered non-functional by mutation it dramatically reduces the speed of the gravitropic response in the root. Explain what PIN proteins do and why the loss on PIN2 would likely affect the speed of the gravitropic response.arrow_forward
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