4 Rajah 4 menunjukkan keratan rentas daun eudikot. Diagram 4 shows a cross section of an eudicot leaf. gooDoct 008808 08 50 Stoma Stoma Proses T Process T Rajah 4 Diagram 4 (a) (i) Berdasarkan Rajah 4, nyatakan proses T. Based on Diagram 4, state process T. (ii) Apakah kepentingan proses T kepada tumbuhan? What is the importance of process T to plants? Mesofil palisad Palisade mesophyll Mesofil berspan Spongy mesophyll Xilem Xylem

4 Rajah 4 menunjukkan keratan rentas daun eudikot. Diagram 4 shows a cross section of an eudicot leaf. gooDoct 008808 08 50 Stoma Stoma Proses T Process T Rajah 4 Diagram 4 (a) (i) Berdasarkan Rajah 4, nyatakan proses T. Based on Diagram 4, state process T. (ii) Apakah kepentingan proses T kepada tumbuhan? What is the importance of process T to plants? Mesofil palisad Palisade mesophyll Mesofil berspan Spongy mesophyll Xilem Xylem

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter34: Transport In Plants

Section: Chapter Questions

Problem 5TYK

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Volatile Secondary Metabolites in Plant Stress Responses In 2007, researchers Casey Delphia, Mark Mescher, and Consuelo De Moraes (pictured at left) published a study on the production of different volatile chemicals by tobacco plants in response to predation by two types of insects: western flower thrips and tobacco budworms. Their results are shown in FIGURE 30.20. Volatile Compound Produced Treatment C T W WT HV HVT Myrcene 0 0 0 0 17 22 -Ocimene 0 433 15 121 4.299 5.315 Linatod 0 0 0 0 125 178 indole 0 0 0 0 74 142 Nicotine 0 0 233 160 390 538 -Etemene 0 0 0 0 90 102 -Caryophyllene 0 100 40 124 3.704 6.166 -Humutene 0 0 0 0 123 209 Sesquiterpene 0 7 0 0 219 268 -Farnesene 0 15 0 0 293 457 Caryophyltene oxide 0 0 0 0 89 166 Total 0 555 288 406 9.423 13.563 FIGURE 30.20 Volatile (airborne) compounds produced by tobacco plants (Nicotiana tabacum) in response to predation by Different inserts. Plants were untreated (C), attacked by thrips (T), mechanically wounded (W). mechanically wounded and attacked by thrips (WT), attacked by budworms (HVJ, or attacked by budworms and thrips (HVTJ. Values are nanograms/day. 2. Which volatile chemical was produced in the greatest amount? What was the stimulus?
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