CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
3rd Edition
ISBN: 9780136811206
Author: Urry
Publisher: SAVVAS L
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Textbook Question
Chapter 31.2, Problem 3CC
MAKE CONNECTIONS Plants detect the quality of their light environment by using blue-light photoreceptors and red-light-absorbing phytochromes. Suggest a reason why plants are so sensitive to these colors of light.
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MAKE CONNECTIONS Compare the function of retinalin the eye with that of the pigment chlorophyll in a plantphotosystem (see Concept 10.2).
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Why do many plants use pathways that detect light to regulate their flowering?
Selected Answer:
This allows plants to link flowering to temperature, which corresponds to the season when conditions are optimal
Answers:
This allows plants to link flowering to day length, which corresponds to the season when conditions are optimal
Flower petals carry out high levels of photosynthesis and require high light conditions
This allows plants to link flowering to temperature, which corresponds to the season when conditions are optimal
A minimum amount of light is always necessary for flowering
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between the phototropic response of a plant
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Chapter 31 Solutions
CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
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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- WRITE ABOUT A THEME: INTERACTIONS In a short essay(100–150 words), summarize phytochrome’s role in alteringshoot growth for the enhancement of light capturearrow_forwardEVOLUTION CONNECTION In general, light-sensitivegermination is more pronounced in small seeds compared withgermination of large seeds. Suggest a reason whyarrow_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_forward
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- explain how some plants sense and respond to light and darkness?arrow_forwardExplain why tropical plants are often not sensitive to photoperiodic flowering cues.arrow_forwardYour concept map must include details about the following topics: types of stimuli plants respond to, 3 stages of cell signaling, 6 major plant hormones Six main types: Auxins, abscisic acid, cytokinins, ethylene gibberellin, and brassinosteroids. and their functions, phytochrome, plant responses to light, statocytes, statoliths, plant responses to gravity, plant responses to touch, plant defenses against herbivores, plant defenses against pathogens (hypersensitive response and systemic acquired resistance)arrow_forward
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