Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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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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What are the TWO (2) light regions detected by phytochromes and
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Please help this is hw and I want to know why I'm wrong
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
Chapter 31 Solutions
Campbell Biology in Focus
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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- What are the similarities and differences between the phototropic response of a plant shoot and the response of the pupil of a human eyes in response to light?arrow_forwardEVOLUTION CONNECTION In general, light-sensitivegermination is more pronounced in small seeds compared withgermination of large seeds. Suggest a reason whyarrow_forwardexplain how some plants sense and respond to light and darkness?arrow_forward
- Explain why tropical plants are often not sensitive to photoperiodic flowering cues.arrow_forwardPlease answer fast what are evidences that indivate plants are measuring the length of the night?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
- The signaling molecule for flowering might be released earlierthan usual in a long-day plant exposed to flashes of(A) far-red light during the night.(B) red light during the night.(C) red light followed by far-red light during the night.(D) far-red light during the dayarrow_forwardGive Detailed explanation Solution (don't give Handwritten answer)arrow_forwardOPE Examining a flower50 1. Flowers are borne on stalks or pedicels in the axils of modified leaves called bracts. As mentioned previously, flowers may occur singly or in a cluster. Examine at least one of the flowering shoots provided and determine the floral arrangement. (Write the answer in #7.) 2. Using a pair of forceps, remove the outer green sepals of a single flower. Record the number. 3. Remove and record the number of petals. (If more than 12, put numerous.) 4. Remove and record the number of stamens. 5. The structure remaining is the pistil. 6. Use a sharp scalpel to cut a horizontal slice from the ovary. Place this on a slide and observe the cut surface with the stereomicroscope. Observe the ovules. Record the number of compartments or carpels in the ovary. 7. Take another of the same flower. Hold it upside down between the first finger and thumb. Carefully cut it with a scalpel into two halves along the plane of symmetry. Try to cut in a plane that creates mirror images of…arrow_forward
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