Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 37.2, Problem 1CC
Summary Introduction
To determine: The organization of auxin carriers in order to allow upward movement of auxin in roots.
Introduction: An organism’s response to an external or an internal stimulus is known as its behavior. Plant movement is one of the examples of plant behaviour. Chemical signals which are transported within the body of a plant are known as plant hormones. Some of the examples of plant hormones are auxins, cytokinins, gibberellins, ethylene, abscisic acid, and brassinosteroids.
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How could auxin carriers be organized to allow auxin to move upward in roots?
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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.
Chapter 37 Solutions
Biology
Ch. 37.1 - Prob. 1CSCh. 37.2 - Prob. 1CCCh. 37.2 - Prob. 1EQCh. 37.2 - Prob. 2EQCh. 37.2 - Prob. 2CCCh. 37.2 - Prob. 3CCCh. 37.3 - Prob. 1CCCh. 37.3 - What would happen if you gave flowering plants a...Ch. 37.3 - Prob. 3CCCh. 37.3 - Prob. 4CC
Ch. 37 - Prob. 1TYCh. 37 - Prob. 2TYCh. 37 - Prob. 3TYCh. 37 - Prob. 4TYCh. 37 - Prob. 5TYCh. 37 - Prob. 6TYCh. 37 - Thigmotropism is a plant response to a. light. b....Ch. 37 - Which response is an adaptation to flooding? a....Ch. 37 - Prob. 9TYCh. 37 - Prob. 10TYCh. 37 - Prob. 1CQCh. 37 - Why do plants produce so many types of resistance...Ch. 37 - Prob. 3CQCh. 37 - Prob. 1COQCh. 37 - Prob. 2COQ
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- Which of the following statements is false? a. Auxin and gibberellin promote stem elongation b. Cytokinin promotes cell division in shoot tips c. Abscisic acid promotes water loss and dormancy d. Ethylene promotes fruit ripening and abscission.arrow_forwardWhy a flower is emascuated and auxin is applied to its stigma?arrow_forwardAuxin, like many substances, can be transported through the phloem; however, there is a second mechanism that exists just for auxin transport. What is it?arrow_forward
- What happens when a stem is positively tropic to a certain stimulus? a. Auxins will respond by increasing the growth rate of the side facing that stimulus.b. The stem will respond by growing towards that stimulus.c. The stem will grow and bend away from that stimulus.d. The stem will respond by accumulating auxins in the side facingthat stimulus.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_forwardWhich 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.phototropismarrow_forward
- If you removed a plant’s shoot apicalcmeristem and applied auxin to the cut surface, how would youcexpect the lateral buds to respond? Why?arrow_forwardWhich combination of hormones is best for promotingthe formation of lateral roots from pericycle?a. A high auxin level and low cytokinin levelb. A low auxin level and high cytokinin levelc. A high level of auxin and cytokininarrow_forwardPruning plants can promote lateral stems and increased plant biomass by _____________. Select one: a. suppressing cytokinin transport b. suppressing auxin transport c. promoting cytokinin transport d. promoting auxin transportarrow_forward
- In plant physiology, What is leaf abscission and how is it controlled by the interaction between auxin and ethylene?arrow_forward. 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_forward
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