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- The modified leaves or stipules of this family were once used as phonograph needles______________________________?Explain why some starch synthesis mutants have a reduced gravitropic response in the root and the shoot. Edit View Insert Format Tools Table Paragraph v BIU 总 12pt vFile Edit View History Bookmarks Window Help 4. For a plant colonizing a remote island, describe one advantage and one disadvantage for each of the following methods: self-pollination and cross-pollination. E O SD $ 4 R F % 5 course.ilc.tvo.org 2.6: Assessment for feedback and grade: Plants - SB13U-EN-01-02-ON-(... T G ^ 6 MacBook Pro Y H & 7 U * 8 J - + 9 16 K CA < 0 T https://course.lc.tvo.org//content/enforced/22865821-SB13U-EN-01-02- ) C 0 q 8 P - Tue Apr 18 9:45 AM - + 11 [ = @ L + 88 Other 11 } 1
- Plant tissue culture is the art and science of regenerating whole plants from small tissue parts in vitro. Describe the "science" component/part of the definition. Maximum of 3 sentences.SCI500B_Organisms_FRQ_GA (3).docx Word Design Layout References Mailings Review View Help Tell me what you want to do 2. In a common eudicot pattern of development for the common bean in the figure, the radicle emerges from the seed (1), then begins to develop into a primary root that grows down into the soil. As this occurs, the hypocotyl emerges from the seed and bends into the shape of a hook (2). The bent hypocotyl lengthens and pulls the cotyledons upward (3). When the hypocotyl reaches the soil surface, exposure to light causes it to straighten (4). Primary leaves emerge from between the cotyledons and begin photosynthesis. The cotyledons typically undergo a period of photosynthesis before shriveling (5). Eventually, the cotyledons fall off the lengthening stem, and the young plant's new leaves produce all of its food. (1 (a) Identify and explain what environmental factors influence the timing and coordination of the germination of seeds. (b) Predict what would happen if the…irections: Answers must be in essay form. Outline form is not acceptable. Labeled diagrams may be used to supplement discussion, but in no case will a diagram alone suffice. It is important that you read each question completely before you begin. An agricultural biologist was evaluating two newly developed varieties of wheat as potential crops. In an experiment, Seedings were germinated on moist paper towels at 20°C for 48 hours. Oxygen consumption of the two-day-old seedlings was measured at different temperatures. The data are shown in the graph below. CUMULATIVE OXYGEN CONSUMPTION O Variety A 7"C - Variety A 17e O Variety B 7°C • Variety B 17°C 20 40 Time (min) 60 8. In a second experiment, variety A seedlings at both temperatures were treated with a chemical that prevents NADH from being oxidized to NAD*. Predict he most likely effect of the chemical on metabolism and oxygen consumption of the treated seedlings. Explain your prediction. v + , N - C (qu) Oxygen Consumption
- File Edit View History Bookmarks Window Help Untitled document - Google Docs 0 > course.ilc.tvo.org Q DIL 2.6: Assessment for feedback and grade: Plants - SB13U-EN-01-02-ON-(... 2. List three factors that are contributing to the decline of pollinator populations. Ĉ 3. From an agricultural perspective, describe two advantages of vegetative propagation. MacBook Pro CA F T https://course.ilc.tvo.org//content/erm aGive two examples of 'compatible solutes' produced by plants and explain how they can be used by plants to increase salt tolerance. Then explain how they can also be important for permitting dormancy in seeds. Edit View Insert Format Tools Table Paragraph BIUA e T? v To 12pt vwrite downthe sowing procedure procedure of hydroponically grow tomato
- Please match correctly each statement in column 1 to its convenient answer in column 2. Soak the cut seeds in TZ solution Mechanical abrasion so that water or solutions can penetrate into the interior tissues of the to facilitate the absorbing of TZ solution to hydrate the seeds to activate the respiratory Examine the seed for a color change enzymes seed. Moistening O O O O Preparation O O for staining O O O Evaluation of staining O O O patterns Staining O O Preparation of dry seed O O O O OC O OGive appropriate items in the different columns in the table given below Name of the crop Varieties (Any two) Seed rate/acre Time of sowing/ Transplanting Rice Maize Basmati rice Raya Wheat GramName three different challenges that land plants had to overcome to live on land and one adaptation that they evolved to overcome each different challenge. Number each challenge and underline the associated adaptation. Edit View Insert Format Tools Table 12pt v Paragraph v BIU O words / 画 D.