Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 40.2, Problem 1EQ
Why do you think Liang and Mahadevan used Lilium casablanca for their analysis of flower bloomina?
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Can you answer all the parts to this question please
(a) What are the advantages of the self-incompatibility (SI) system in plants? Give at least three advantages.
(b) What are the differences between gametophytic SI and sporophytic SI?
What is the critical photoperiod? How can
the critical photoperiod of flowering be
experimentally determined?
1) Does the three t-tests support the hypothesis: of manipulating light exposure will influence the flowering time of Brassica rapa plants by using light from the sun and using incandescent bulbs, or not? If it did not support the hypothesis, then what changes would you make?
2) Do these three t-tests have different growth rates?
3) Is there anything to learn about this study of the graphs and t-tests?
Chapter 40 Solutions
Biology
Ch. 40.1 - Core Skill: Connections Look back to Figure 32.14...Ch. 40.1 - Prob. 1CCCh. 40.1 - Prob. 2CCCh. 40.2 - What inference can you draw from the observation...Ch. 40.2 - List several ways in which the flowers at the rim...Ch. 40.2 - Why do you think Liang and Mahadevan used Lilium...Ch. 40.2 - How did time-lapse video improve data gathering in...Ch. 40.3 - Prob. 1CCCh. 40.3 - Prob. 2CCCh. 40.3 - Prob. 1CS
Ch. 40.4 - Prob. 1CCCh. 40.4 - Prob. 2CCCh. 40.4 - Prob. 1CSCh. 40 - Where do the pollen grains of flowering plants...Ch. 40 - Prob. 2TYCh. 40 - Where would you find female gametophytes of a...Ch. 40 - How does double fertilization occur in flowering...Ch. 40 - Prob. 5TYCh. 40 - Prob. 6TYCh. 40 - Prob. 7TYCh. 40 - If an ovary contains eight ovules, how many seeds...Ch. 40 - Prob. 9TYCh. 40 - Prob. 10TYCh. 40 - Prob. 1CQCh. 40 - Prob. 2CQCh. 40 - Prob. 3CQCh. 40 - Prob. 1COQCh. 40 - How do plants prevent the production of many...
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- Sonalika and kalyan sona are varieties of which plant?arrow_forwardA group of students have carried out an experiment to investigate the relationship between the amount of growth hormone BAP in the culture medium and the growth of shoot.They have supplemented the medium with 4 different concentration of growth hormone which is (1 mg/L ,2 mg/L BAP,3 mg/L 4 mg/L) of BAP.According to the result after eight weeks, BAP at 2 mg/L had given better response with respect to shoot induction, shoot multiplication, length of shoot, and number of leaves per explants when compare with other amount of BAP. Discuss why?arrow_forwardChrysanthemums are long-night plants that normally flower in thefall. If you could manipulate photoperiod, what would be the simplestway to prevent mums from blooming (without killing the plants)?arrow_forward
- Why mango trees do not bear flowers even if it is already sprayed with chemicals for flower induction?arrow_forwardWhat is the description of the flower of the banana (Musa acuminata)? Based on the given text.arrow_forwardUnder which of the following conditions would pollen from an S2S5 plant successfully pollinate an S1S5 flower? a. Using pollen from a carpelate flower to fertilize a staminate flower would be successful. b. If the plants used gametophytic self-incompatibility, half of the pollen would be successful. c. If the plants used sporophytic self-incompatibility, half of the pollen would be successful. d. Pollen from an S2S5 plant can never pollinate an S1S5 flower.arrow_forward
- This figure summarises the life cycle of a seed plant. The blue circles named A and B represent the sexually mature individual of each phase of the life cycle. 1) What is this life cycle called? 2) Plant B is in the diploid phase. What is another name for this plant? 3) If A is the haploid phase, in which phase would you find sepals? Write just the letter of the individual corresponding to the correct phase 4) If B is the haploid phase, in which phase would you find synergids? Write just the letter of the individual corresponding to the correct phase 5) If B is the diploid phase, in which phase would you find the nucellus? Write just the letter of the individual corresponding to the correct phase 6) If A is the diploid phase, in which phase would you find the sperm cells? Write just the letter of the individual corresponding to the correct phase 7) If A is the diploid phase, in which phase would you find selection on flower colour? Write just the letter of the individual corresponding…arrow_forwardWhat kind inflorescence does: -Mayana flower-Bataw flower-Caballero flower-Dendrobium flower have?arrow_forwardYou are responsible for landscaping a very large urban park. You choose a popular flowering garden plant, the hydrangea, to plant throughout the park. The nursery you purchased the plants from said that the flowers should be pink. After a few months, though, you find—to your surprise—that the plants throughout the park display a variety of flower colors ranging from purple and blue, to pink and white, and finally, to all shades in between. After a suggestion from a friend, you test the soil where each plant was planted, and you determine that the color of the flowers seems to correlate with the acidity of the soil in which the plant was placed. Choose the answer that best fits the blank. The parentheses after the blanks are the choices. Since the flowers have shown such a broad range of colors, with no clear distinction between one color type and the next, this is an example of _________ (continuous variation, codominance, pleiotropy). The acidity of the soil is an example of…arrow_forward
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