The following statement is true: O Water moves up the plant through xylem O CAM plants close stomata at night Sucrose is important in cell function C4 plants are mostly dicots O Sugar beets use C4 photosynthesis O O O O O
Q: Guard cells are paired cells that are found in the leaves of plants. What is the role of guard cells…
A: Guard cells are the cells that are present on the leaves, stem, and other parts of the plant. These…
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Q: Water vapour is lost from the leaf's .. O mesophyll O epidermis guard cells stomata
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Q: Gases enter and leave plant leaves through pores calleda. stomata.b. meristems.c. chloroplasts.d.…
A: Answer is a.) Stomata.
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A: Photosynthesis is the process by which green plants synthesize food using sunlight, carbon dioxide…
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A: Introduction:- The xylem is the plant's primary water-conducting tissue. The xylem is a conducting…
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A: Stomata is the small opening on leaves for gaseous exchange for the purpose of photosynthesis.…
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A: Stomata are the bean shaped structures found in the leaves. These stomata help in transpiration and…
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A: RUBISCO is the most abundant protein or enzyme in the plant world. It has both carboxylase and…
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A: Step 1 Growth is an irreversible permanent increase in size, volume, and weight of a cell, part, or…
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A: Bonsai plants are ordinary shrubs and trees that are not hereditary dwarfs. These plants are dwarfed…
Q: .tissues have cytoplasm lining. O a. Aerenchyma O b. Xylem O c. Phloem O d. Parenchyma
A: A very thin membrane, composed of lipids and protein, that surrounds the cytoplasm of a cell and…
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Q: T/F Question Parenchyma is soft, internal plant tissue. Xylem and phloem are plant structural…
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
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A: The main difference between C3 , C4, CAM plants is that C3 photosynthesis produces a three carbon…
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A:
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A: C4 plans are more efficient than C3 plants because C3 plants have no special features to combat…
Q: The cork cambium: O a. Transports air. O b. Is only found in roots. O c. Is a thick protective…
A: cork cambium is a thick protective layer
Q: Roots storing food are found in: O a. Potatoes. O b. Aloes. O c. Onions. O d. Ginger. O e. Carrots.
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Q: Q) Phloem is a tissue found in (A) reproductive organs of animals (B) plants (C) insects (D) mammals
A: Dear student the correct option is B. Plants
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A: Sclerenchyma tissue, when mature, is composed of dead cells that have heavily thickened walls…
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- Where in plant cells does the Calvin cycle take place? a. thylakoid membrane b. thylakoid space c. stroma d. granumPfr, the active state of _______________, forms when red light is absorbed. (a) photosystem I (b) phytochrome (c) far-red light (d) phototropin (e) cryptochromeIn C3 plants, ______ makes sugar production inefficient when stomata close during the day. a. photosynthesis b. photolysis c. photorespiration d. carbon fixation
- In C3 plants, _______ makes sugar production inefficient when stomata close on hot, dry days. a. photosynthesis c. photorespiration b. photolysis d. carbon fixationStomata open in response to light when _______ a. ions flow into guard cell cytoplasm b. ions flow out of guard cell cytoplasm c. water evaporates out of guard cellsVolatile 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. 3. Which one of the chemicals tested is most likely produced by tobacco plants in a nonspecific response to predation?
- 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. 4. Are any chemicals produced in response to predation by budworms, but not in response to predation by thrips?Which of the following is the major site of photosynthesis?______ apical meristem ground tissue xylem cells phloem cellsPhytochrome is a plant pigment protein that mediates plant infection promotes plant growth mediates morphological changes in response to red and far-red light inhibits plant growth
- There is a trade-off between photosynthesis and transpiration in leaves because (a) numerous stomatal pores provide both gas exchange for photosynthesis and openings through which water vapor escapes (b) a waxy layer, the cuticle, reduces water loss (c) blue light triggers an influx of potassium ions (K+) into the guard cells (d) leaves of deciduous plants abscise as winter approaches in temperate climates (e) stomata are closed at night, although water continues to move into the roots by osmosisVolatile 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. 1. Which treatment elicited the greatest production of volatiles?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?