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 thale cress cause excess auxin production. Predict the impact of these mutations on the plants’ phenotype.
Explain auxin’s effect on growth and how it causes plant cellsto enlarge.
Certain mutations in thale cress cause excess auxin production. What are the impact of these mutations on the plants’ phenotype.
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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- . Explain the role auxin would have on sunflower plant growth and the steps of growth.arrow_forwardCertain mutations in common wall cress (Arabidopsisthaliana) cause excess auxin production. Predict theimpact of these mutations on a plant’s phenotype.arrow_forwardDescribe an experiment you will use to determine the effect of GA and auxins on a crop of your choicearrow_forward
- Which plant hormone is known as germination inhibitor? gibberellin ethylene abscisic acid auxinarrow_forwardExplain how auxin affects stem elongation.arrow_forwardAuxin causes the bending of shoot toward light by?A. Causing cells to shrink on the dark side of the shootB. Causing cells to shrink on the lighted side of the shootC. Inhibiting growth on the dark side of the shootD. Stimulating growth on the lighted side of the shootE. Stimulating growth on the dark side of the shootarrow_forward
- Describe the unique way that auxin can move through a plant.arrow_forwardExplain the signaling mechanism associated with auxin actionarrow_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_forward
- Explain about Plant Hormones ? WHat is the importance of Plant Hormones ?arrow_forwardIn an area that is not equipped with irrigation facilities and prone to drought during dry months, give and explain TWO (2) characteristics of plants that could thrive under such conditions.arrow_forwardBasil is common in vegetable gardens. Many gardeners grow this plant for its leaves, which provide flavor in sauces and other dishes. Leaf production is higher when young flowers are pruned off the plant before they have a chance to develop. Explain this observationarrow_forward
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