Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 33, Problem 11TYU
The monopteros mutant (a) lacks a primary root (b) develops normally until the plant becomes reproductive (c) has abnormal leaf morphogenesis (d) was discovered in rice after its genome was sequenced (e) is one of only two developmental mutants known in Arabidopsis.
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(a) What is the mutant that helps us to understand the adaxial identity of leaf development and the laminar outgrowth?
(b) What is the mutant phenotype?
(c) Which kind of protein does this gene encode?
1 a) Describe the process of double-fertilization in this fireweed. b) What is the significance of this process in plant evolution?
Q Q
Normal
BIU
A - A-
1. Of the following characteristics of plants, which are inherited (shared with green algae) and which
are new (evolved within the plant lineage only)?
a) Multicellular sporangia
b) Presence of chloroplasts
c) Sessile (doesn't move)
d) Embryos supported by parents.
e) Apical meristems
f) Cellulose cell walls
2. Designate each of the following as haploid or diploid.
a) Green part of a moss
b) Liverwort sperm
c) Fern sporophyte
d) Cells making up the antheridium of a fern gametophyte
e) Plant spore
f) Plant embryo
Fill in the blank:
3.
1:54
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Chapter 33 Solutions
Biology (MindTap Course List)
Ch. 33.1 - Prob. 1LOCh. 33.1 - Prob. 2LOCh. 33.1 - Describe the structure and functions of the...Ch. 33.1 - Describe the structure and functions of the dermal...Ch. 33.1 - Prob. 1CCh. 33.1 - Prob. 2CCh. 33.1 - How do parenchyma, collenchyma, and sclerenchyma...Ch. 33.1 - Prob. 4CCh. 33.1 - How are epidermis and periderm alike? How are they...Ch. 33.2 - Prob. 5LO
Ch. 33.2 - Prob. 6LOCh. 33.2 - Prob. 7LOCh. 33.2 - Prob. 1CCh. 33.2 - Prob. 2CCh. 33.2 - Prob. 3CCh. 33.3 - Distinguish between cell division and cell...Ch. 33.3 - Describe the relationship between cell...Ch. 33.3 - Explain why the model organism Arabidopsis is so...Ch. 33.3 - Which process typically occurs first, cell...Ch. 33.3 - Prob. 2CCh. 33.3 - What is the relationship between pattern formation...Ch. 33.3 - Why is Arabidopsis such a useful model organism...Ch. 33 - Prob. 1TYUCh. 33 - The cell walls of parenchyma cells (a) contain...Ch. 33 - Which tissue system provides a covering for the...Ch. 33 - The two simple tissues that are specialized for...Ch. 33 - Prob. 5TYUCh. 33 - Prob. 6TYUCh. 33 - Prob. 7TYUCh. 33 - Prob. 8TYUCh. 33 - Prob. 9TYUCh. 33 - Cell differentiation occurs through...Ch. 33 - The monopteros mutant (a) lacks a primary root (b)...Ch. 33 - Prob. 12TYUCh. 33 - VISUALIZE Sketch a roughly cuboidal cell preparing...Ch. 33 - Prob. 14TYUCh. 33 - A couple carved a heart with their initials into a...Ch. 33 - Prob. 16TYUCh. 33 - EVOLUTION LINK Flowering plants have both...Ch. 33 - SCIENCE, TECHNOLOGY, AND SOCIETY Why is knowledge...
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- Seeds and pollen grains are key adaptations for life on land. These adaptations relate to reproductive success and survival advantages. The following questions require you to explain some of these adaptations. A. Contrast sperm delivery in seedless plants with sperm delivery in seed plants. (5-6 sentence) B. Discuss at least one feature of seed plants that contributed to their success on land in contrast with seedless plants. (2-3 sentences) C. Flowering plants (Magnoliophyta) are the most successful of all plant groups in terms of their species diversity and ubiquity across habitat types. Climate warming is causing shifts in the timing of life history events for many species. Discuss how climate warming may influence reproductive strategies employed by flowering plants. (2-3 sentence)arrow_forwardIn a common eudicot pattern of development for the common bean in the figure, the radicle emerges from the seed (1), then begins to develop into a primary root that grows down into the soil. As this occurs, the hypocotyl emerges from the seed and bends into the shape of a hook (2). The bent hypocotyl lengthens and pulls the cotyledons upward (3). When the hypocotyl reaches the soil surface, exposure to light causes it to straighten (4). Primary leaves emerge from between the cotyledons and begin photosynthesis. The cotyledons typically undergo a period of photosynthesis before shriveling (5). Eventually, the cotyledons fall off the lengthening stem, and the young plant’s new leaves produce all of its food. a) Identify and explain what environmental factors influence the timing and coordination of the germination of seeds.arrow_forwardThe drooping, bell-like flower Aquilegia canadensis is adapted for cross-pollination. However, if the plant has not been pollinated previously, self-pollination can occur. However, if cross pollination occurs after self-pollination takes place, the pollen from cross pollination reaches the style before the pollen from self-pollination. Using course concepts and vocabulary 1) Provide a reasoning for this phenomenon. 2) Would this adaptation for reproduction be beneficial for the plant?arrow_forward
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