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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Question
Chapter 37, Problem 2ITD
Summary Introduction
To review:
At least two general findings summarized in the diagram.
Introduction:
In the given study, the role of auxin and brassinosteroids in regulating the plant growth in Arabidopsis seed is made. A Venn diagram is used for representing the relative proportion of auxin-responsive and BR-responsive genes, and the degree of overlap of the two genes. In this case, the genes observed for the response of the two phytohormones are Yucca genes.
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How 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.
• On a commercial scale, enhancing the level of _______ (hormone) can help to speed up fruit ripening. • What measure do fruit producers take to slow down fruit ripening that is caused by natural ethylene?• What is a ‘triple response’. Which plant hormone initiates a triple response? • A change in the ratio of ethylene to auxin controls abscission. In the autumn, the amount of __________ decreases, rendering the cells of the abscission layer more sensitive to __________.
This 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?
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
Which of these is caused by the effects of auxin? (choose all that apply) 1.Maintaining apical dominance 2.suppressing lateral bud growth 3. stimulating root growth in stem leaf buds 4.stimulating root elongation 5. preventing seed germination 6.phototropism
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Under which of the following conditions would pollen from an S2S5 plant successfully pollinate an S1S5 flower?
a. Using pollen from a carpelate flower to fertilize a staminate flower would be successful.
b. If the plants used gametophytic self-incompatibility, half of the pollen would be successful.
c. If the plants used sporophytic self-incompatibility, half of the pollen would be successful.
d. Pollen from an S2S5 plant can never pollinate an S1S5 flower.
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In the Philippines, owners and managers of plant nurseries have to plan lighting schedules for a long-day plant (LDP) with a critical night length of 10 hours that will flower in December. What lighting periods and color of light enrichment will be most effective for flowering of the said LDP?
A. Light periods of 15 hours with light enriched in the red range of the spectrum
B. Dark periods of 11 hours with light enriched in the red range of the spectrum
C. Light periods of 14 hours with light enriched in the far-red range of the spectrum
D. Dark periods of 9 hours with light enriched in the far-red range of the spectrum
E. Light periods of 13 hours with light enriched in the red range of the spectrum
F. Dark periods of 10 hours with light enriched in the far-red range of the spectrum
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which is true regarding how auxin impacts bending of plants?
auxin increases reversible bending (elasticity)
auxin causes the increase of proteins that embed in between cellulose in the cell wall
auxin travels to the sunny side of the stem to change growth
auxin causes an increase in cell division that results in blending
2. Select all that are true regarding plant responses
trophic responses are reversible, repeatable movements independent of the position of the stimulus
venus fly trap responses are an example of a nastic movement
phytochrome only enters the nucleus to change gene expression when in the active form (Pfr)
shade or far red light converts the inactive phytochrome (Pr) to the active form (Pfr)
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Describe the inluence of auxin on apical dominance.
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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.
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Plant biologists are currently working to identify those Arabidopsis genes with unknown functions. If you were assigned to determine the function of a particular gene, how might you approach this task?
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In plant physiology, What is leaf abscission and how is it controlled by the interaction between auxin and ethylene?
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Auxin, like many substances, can be transported through the phloem; however, there is a second mechanism that exists just for auxin transport. What is it?
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