CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
3rd Edition
ISBN: 9780134875040
Author: Urry
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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Discuss other morphological differences between sunny and shady set-ups of mung bean in relation to phototropic response of plants.
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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?
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.
Chapter 31 Solutions
CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
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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- ▬▬▬ 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.arrow_forwardBased on the paragraphs please explain what is going on in these two picturesarrow_forwardGive 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_forward
- Phytochrome, plays an important role in flowering in many plants. It can also be used to determine when lettuce seeds germinate (shown in the figure below Which scenario(s) above produce large amounts of the active form of phytochrome? A B A & C B & Darrow_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_forwardGive explain.arrow_forward
- JT Model 2: Cross section of a leaf T 1. Label the following parts of the leaf on Model 2: ◆ Spongy mesophyll ◆ Palisade mesophyll Epidermis • Vascular bundle 2. Most photosynthesis occurs in the cells of the palisade mesophyll and the spongy mesophyll. For photosynthesis to occur, these cells must receive the reactants needed for photosynthesis and be able to allow the products to exit. (a) Draw an arrow indicating the pathway you think CO₂ follows to enter the leaf. Student Resarrow_forwardShow 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_forwardExplain how phytochrome is afected by red wavelengths of light.arrow_forward
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