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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Textbook Question
Chapter 36, Problem 8TYK
Which of the following is not an example of pattern formation in developing plants?
a. an epidermal cell receiving developmental signals from acortical cell
b. the loosening of the cell wall to allow the elongation ofselected cells to reach mature size
c. regulation by homeobox genes of the position of differentflower parts
d. oriented cell division that establishes the shape of an organ
e. cell expansion that directs specific cells to undergo mitosis ata given time and place
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Since you're done with your study of plant tissues, you may now answer the questions about them
below.
1. How do meristems accomplish the production of new, mitotically healthy cells?
2. What is indeterminate growth in plants?
3. What is de-differentiation in plant cells?
Fill in the general characteristics of the three types of plant cells.
The division of labor among various types of cells in plants is important. As shown, and name the cells responsible for the following tasks:a. Collecting solar energyb. Transporting waterc. Cell division and the production of new protoplasmd. Water retentione. Having pigments that attract pollinatorsf. Producing poisons that inhibit animals from harming the plants
Chapter 36 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 36.1 - What are the two alternating generations of...Ch. 36.1 - Prob. 2SBCh. 36.2 - Prob. 1SBCh. 36.2 - Explain the steps leading to the formation of a...Ch. 36.2 - Trace the development of a female gametophyte,...Ch. 36.3 - Explain the sequence of events in a flowering...Ch. 36.3 - Prob. 2SBCh. 36.3 - Prob. 3SBCh. 36.4 - Prob. 1SBCh. 36.4 - Prob. 2SB
Ch. 36.5 - What is a homeobox gene? Give at least two...Ch. 36.5 - Prob. 2SBCh. 36.5 - Prob. 3SBCh. 36 - In an angiosperm life cycle, sexual reproduction...Ch. 36 - Prob. 2TYKCh. 36 - Prob. 3TYKCh. 36 - From a developmental standpoint, a seed is best...Ch. 36 - Prob. 5TYKCh. 36 - Prob. 6TYKCh. 36 - Prob. 7TYKCh. 36 - Which of the following is not an example of...Ch. 36 - Prob. 9TYKCh. 36 - Prob. 10TYKCh. 36 - Prob. 11TYKCh. 36 - Prob. 12TYKCh. 36 - Prob. 13TYKCh. 36 - Prob. 14TYKCh. 36 - Prob. 1ITDCh. 36 - Prob. 2ITDCh. 36 - Prob. 3ITD
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- Please answer question 15arrow_forwardWhich of the following is not a characteristic of plants? (a) cuticle (b) unicellular gametangia (c) stomata (d) multicellular embryo (e) alternation of generationsarrow_forwardYou are studying a type of plant known as " rockcress" or Arabidopsis sp. You discover a mutant in which the central cell of the female gametophyte cannot be fertilized. What structure will not form in these mutant plants? Synergids Pollen tube Endosperm Egg cellarrow_forward
- The image below represents a flower meristem viewed from above. At the time the image represents, the cells are undifferentiated, although their eventual fates are determined (e.g. carpels, etc.). The rectangles indicate the regions of the meristem where particular genes (A, B, and C) are expressed. Note that these genes are expressed all around the circumference of the meristem at the location indicated; in other words, gene A is active in all cells in the rings labeled sepal and petals. Interpret the figure by filling in the following table: I've numbered each row to help with writing the answer below. Determined by the activity of which gene(s) - A,B,C? Organ Carpel 1. Stamen 2. Petal 3 Sepal 4 Sepals Petals Stamens Bn Carpelsarrow_forwardThe image below represents a flower meristem viewed from above. At the time the image represents, the cells are undifferentiated, although their eventual fates are determined (e.g. carpels, etc.). The rectangles indicate the regions of the meristem where particular genes (A, B, and C) are expressed. Note that these genes are expressed all around the circumference of the meristem at the location indicated; in other words, gene A is active in all cells in the rings labeled sepal and petals. Sepals Petals Stamens LEnCarpels A close relative of this flower has very large sepals compared to this one. Apply what you know about morphogenesis in plants to make a hypothesis of how gene expression might differ in the relative compared to this plant. Be sure to relate it to the figure above.arrow_forwardThe image below represents a flower meristem viewed from above. At the time the image represents, the cells are undifferentiated, although their eventual fates are determined (e.g. carpels, etc.). The rectangles indicate the regions of the meristem where particular genes (A, B, and C) are expressed. Note that these genes are expressed all around the circumference of the meristem at the location indicated; in other words, gene A is active in all cells in the rings labeled sepal and petals. Sepals Petals Stamens UEn Carpels Explain what cue the floral cells are likely using to determine the cells that will differentiate into the different parts (ie. sepal, petal, etc.) based on the given scenerio.arrow_forward
- Which of the following pairs of plant structure has the haploid number ofchromosomes? A. Megaspore mother cell and antipodal cells B. Egg cell and antipodal cells C. Egg cell and endosperms D. Microspore mother cell and antipodal cellsarrow_forwardMany biology labs use slides of root tips to demonstrate the stages of mitosis. Why is this a better choice than using a slide of a mature leaf?arrow_forwardEarly botanists admired ferns but found their life cycle perplexing. In the 1700s, they learned to propagate ferns by sowing what appeared to be tiny dust like “seeds” that they collected from the undersides of fronds. Despite many attempts, the botanists could not locate the pollen source, which they assumed must stimulate these “seeds” to develop. Imagine you could write to these botanists. Compose a note that explains the fern life cycle and clears up their confusion.arrow_forward
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