Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Textbook Question
Chapter 31, Problem 10TYU
FOCUS ON INTERACTIONS
In a short essay (100-150 words), summarize phytochrome’s role in altering shoot growth for the enhancement of light capture.
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WRITE ABOUT A THEME: INTERACTIONS In a short essay(100–150 words), summarize phytochrome’s role in alteringshoot growth for the enhancement of light capture
a. What are the two basic components of phytochrome?
b. Explain how phytochrome responds to different wavelengths of light. How does this account for the phenomenon of photoreversibilty?
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Label the structures and tissues of the cross section of the monocot leaf.
Diagram and label a small portion of the leaf epidermis at 400X total magnification (wi
the 40X high dry objective in place) showing the a single stoma and its guard cells und
hypotonic (distilled water) and hypertonic (5% salt, NaCl) conditions.
Chapter 31 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
Ch. 31.1 - Prob. 1CCCh. 31.1 - WHAT IF? If a plant has the double mutation ctr...Ch. 31.1 - Prob. 3CCCh. 31.2 - If an enzyme in field-grown soybean leaves is most...Ch. 31.2 - WHAT IF? If a plant flowers in a controlled...Ch. 31.2 - MAKE CONNECTIONS Plants detect the quality of...Ch. 31.3 - Prob. 1CCCh. 31.3 - Prob. 2CCCh. 31.3 - Prob. 3CCCh. 31.4 - Prob. 1CC
Ch. 31.4 - Chewing insects mechanically damage plants and...Ch. 31.4 - Prob. 3CCCh. 31 - The hormone that helps plants respond to drought...Ch. 31 - Prob. 2TYUCh. 31 - Prob. 3TYUCh. 31 - Prob. 4TYUCh. 31 - Prob. 5TYUCh. 31 - Prob. 6TYUCh. 31 - DRAW IT Indicate the response of Arabidopsis to...Ch. 31 - Prob. 8TYUCh. 31 - FOCUS ON EVOLUTION As a general rule,...Ch. 31 - FOCUS ON INTERACTIONS In a short essay (100-150...Ch. 31 - Prob. 11TYU
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- Using the provided figure, describe the importance of the two phytochrome systems in controlling de-etiolation and green stem elongation under full sun and shade. Include the key mechanisms and temporal changes in control of this process.arrow_forwardWhat are the TWO (2) light regions detected by phytochromes and identify photoreceptor responsible for phototropism response in plants? *arrow_forwardPlant Physiology In the amazon rainforest, what is needed (1 only) to induce germination faster? Why?arrow_forward
- Give an example of an environmental condition where stomates are unable to maintaincooling of the leaf and heat stress occurs. Explain the consequences of heat stress onphotosynthesis, membrane integrity and proteins.arrow_forwardWhat is the role of xylem in photoassimilates translocation? Also, determine at what stage (loading, long distance or unloading) will xylem lend the helping hand? *arrow_forwardWhich phytochrome is sensing the shading and what are the TWO (2) rapid shade avoiding responses? *arrow_forward
- . Using your answers from questions 1-4, describe in detail the phototropic response in plants. Describe in your answer the specific role of 1. PHOT1 and PHOT2 2. Auxin (role in phototropism and cell elongation) • Previous Next MacBook Pro G Search or type URL esc & @ 23 $ 3 4 5 7 9 * 00arrow_forwardDescribe the relationship between transpiration rate and light intensity in basil Ocimum basilicum in terms of photosynthesis, optimal range, and stomata.arrow_forwardBelow is a series of pictures of the stem (x.s.) of a sunflower, Helianthus sp. Note that it shows both a young stem and older stem. E- young 100x (x.s.) older 100x (x.s.) Make a sketch of both ages and upload it here with the following structures labeled: epidermis, cortex, pith, vascular bundles, fibers, primary xylem, primary phloem, tracheids, vessel elements, collenchymaarrow_forward
- Show the sequence of secondary growth by drawing the row of cells from the boxed area below and labeling the vascular cambium cell (V), 5 xylem cells from oldest (X1) to youngest (X5), and 3 phloem cells (P1 to P3). Show what happens after growth continues by drawing and labeling a row with twice as many xylem and phloem cells. How does the vascular cambium’s location change? A pear has a hard texture but juicy. State two cells that give the characteristics? State the function of the transitional epithelium found in the mammalian urinogenital system. (i) Identify type of tissue lines the air sacs of the lungs. (ii) Explain how the tissue named in (i) adapted to its function.arrow_forwardBelow is a series of pictures of the stem (x.s.) of a sunflower, Helianthus sp. Note that it shows both a young stem and older stem. young 100x (x.s.) older 100x (x.s.) Make a sketch of both ages and upload it here with the following structures labeled: epidermis, cortex, pith, vascular bundles, fibers, primary xylem, primary phloem, tracheids, vessel elements, collenchymaarrow_forwardBelow is a series of pictures of the stem (x.s.) of a corn, Zea mays. 40x (x.s.) 100x (x.s.) Make a sketch of both magnifications (40x and 100x) and upload it here with the following structures labeled: epidermis, sclerenchyma (fibers), ground tissue parenchyma, vascular bundles, phloem, xylem, sieve tube members, companion cells, vessel elements, tracheidsarrow_forward
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