Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 46, Problem 2FIB
Summary Introduction
Introduction:
The growth of the plant is mediated by the plant hormones. Plant hormones are the chemicals secreted by specific cells and transported via xylem and phloem to other parts of the plants. Each plant hormone has a specific effect and target tissue. There are six major plant hormones: auxin, gibberellin, cytokinin, ethylene, abscisic acid, and florigen. These hormones regulate the growth and development of plants.
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Chapter 46 Solutions
Biology
Ch. 46.1 - list six important types of plant hormones?Ch. 46.1 - Prob. 2CYLCh. 46.2 - Explain how the Darwin experiments using caps and...Ch. 46.2 - Prob. 1CTCh. 46.2 - Prob. 2TCCh. 46.2 - Prob. 3TCCh. 46.2 - Agricultural biotechnologists have developed...Ch. 46.2 - explain the roles of plant hormones in seed...Ch. 46.2 - Prob. 2CYLCh. 46.2 - Prob. 3CYL
Ch. 46.2 - Prob. 4CYLCh. 46.2 - Prob. 5CYLCh. 46.2 - Prob. 6CYLCh. 46.3 - Although insects are major plant predators,...Ch. 46.3 - Prob. 1HYEWCh. 46.3 - explain how plants that are attacked by predators...Ch. 46.3 - explain how plants that are attacked by predators...Ch. 46.3 - Prob. 3CYLCh. 46.3 - Prob. 4CYLCh. 46.3 - Prob. 1TCCh. 46 - Prob. 1MCCh. 46 - Prob. 2MCCh. 46 - Prob. 3MCCh. 46 - Prob. 4MCCh. 46 - Prob. 5MCCh. 46 - Prob. 1FIBCh. 46 - Prob. 2FIBCh. 46 - Prob. 3FIBCh. 46 - Prob. 4FIBCh. 46 - The hormone _________ causes stomata to close when...Ch. 46 - Compare phototropism and gravitropism in roots and...Ch. 46 - Prob. 2RQCh. 46 - What is a phytochrome? How do the two forms of...Ch. 46 - Which hormones cause fruit development? Which...Ch. 46 - What is senescence? Describe some changes that...Ch. 46 - Prob. 6RQCh. 46 - Describe one example of a plant chemical defense...Ch. 46 - Describe how a sensitive plant closes its leaves....Ch. 46 - A student reporting on a project said that one of...Ch. 46 - Prob. 2AC
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- The point where a leaf is attached to a stem is called a__________________________ . Just above this point is an_________________________bud.arrow_forwardWhich of the following plant hormones is produced in the root meristems, travel upward and in higher concentration counter the apical dominance caused by ____________? a. Gibberellins b. Ethylene c. Cytokinin d. Abscisic acidarrow_forwardThe ________, found at the tips of roots and shoots, produces new cells which add to the length of the plant.arrow_forward
- Which of the following statements is false?a. Auxin and gibberellin promote stem elongation.b. Cytokinin triggers growth of lateral buds.c. Abscisic acid promotes water loss and dormancy.d. Ethylene promotes fruit ripening and abscissionarrow_forwardWhich plant hormone is known as germination inhibitor? gibberellin ethylene abscisic acid auxinarrow_forwardSeed germination is stimulated by _____; stem elongation is stimulated by ____________ Select one: a. far-red light, far-red light b. red light, far-red light c. red light, red light d. far-red light, red light e. none of the abovearrow_forward
- Which of the following is NOT a function of a stem? absorbs water and nutrients supports the plant’s weight transports water and sugars holds the plant uprightarrow_forwardLabel A, B, C and D as the following: -Xylem -Cortex -Phloem -Pitharrow_forwardThe growth of plants is due to the division of __________, which are found in ___________. a. stem cells, the shoots b. stem cells, apical and basal meristems c. somatic cells, the shoots d. somatic cells, apical and basal meristemsarrow_forward
- Which of the following is not a function or characteristic of roots in plants? Question 8 options: Absorb minerals. Exhibit a negative gravitropism. Anchor the plant. Exhibit a positive gravitropism.arrow_forwardHow would you compare and contrast between wheat, Rose, and Pine plants based on their primary and secondary growth including vascular and cork cambium. please write over 100 wordarrow_forwardWhich of the following is True?a. Ethylene stimulates abscission layers to form.b. Abscisic acid causes abscission layers to form.c. Ethylene is sometimes sprayed on flowers to keep them fresh.d. Abscisic acid stimulates seed germination.arrow_forward
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