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Title: PowerPoint Presentation Author: Tobias Baskin Last modified by: Tobias Baskin Created Date: 11/14/2006 8:07:37 PM Document presentation format
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Lettuce seed germination is a typical photoreversible response controlled by phytochrome ... each monomer consists of two components: chromophore apoprotein ...
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Flowering time. Shade-avoidance response. Neighbor detection ... Inductive photoperiod = a photoperiod that stimulates flowering. Photoperiod response classes ...
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Needs short night to flower. Needs Pfr still present at end of night ... Can trick a SDP into not flowering with a brief flash of red light during the ...
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biosynthesis. photosynthesis. phototropism. photorespiration ... Proposed Phy-regulated Transcriptional Network. PIF1. chlorophyll. biosynthesis. PIF4 ...
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Ion fluxes between flexor and motor cells. FIG 17.19. 17. Shade Avoidance ... Simple and compound leaves. Flexor, motor cell and ion flux roles in leaf dropping ...
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Ecological significance of the R:FR ratio. Shade avoidance response ... After Quail et al. 1995. 8. BIOL754 Fall 08. How does phytochrome mediate responses ...
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Light-grown phyB mutants are elongated. and early flowering ... After Quail et al. 1995. 8. BIOL754 Fall 07. How does phytochrome mediate responses ...
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Both the Maryland Mammoth and soybean flowered much earlier than the control plants. ... As for Maryland Mammoth, its seed crop was soon being grown in the fields of ...
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graph of the magnitude of a biological response to light, as a ... FR. light. Phytochrome. photoreceptor molecule. Quantity, Time, Quality. Phytochrome Location ...
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Photomorphogenesis: 1) phytochrome-mediated development phytochromes - absorb red and far-red light (appear blue) may: trigger seed germination cause deetiolation of ...
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... Events of Germination Auxin and Phototropism Auxin Mechanism Photoperiodic Control of Flowering Phytochrome and Photoperiodism Pfr and Flowering ...
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Control Systems in Plants. Plant Hormones. What is a Plant hormone? ... Plants synthesize Pr in dark. if phytochrome illuminated then Pr---Pfr ...
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Action spectrum of photosynthesis Fig 39.3 Fig 39.12 Seedling germination may depend on light Phytochrome: a reversible receptor Fig 39.15 http://www.mcdb.ucla.edu ...
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How plants move and communicate Action of phytochrome on flowering time. Pfr to Pr switch is how plants tell time. You re trying to grow tomatoes and ...
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Plant Responses to Internal and External Signals Plant Hormones Plant Movements Control of Daily and Seasonal Responses Phytochromes Plant Hormones Hormone-compound ...
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Plant-environment interaction 1: How do plants respond to light? Lecture 1: The phytochrome pathways Photomorphogenesis -- The light-induced developmental and ...
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... (24 hour periodicity) Photoperiodism (phytochromes) Short-day plant: light period shorter than a critical length to flower (flower in late summer, ...
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Pr: red-light absorbing form of phytochrome, The Pr solution is in blue color ... Se5 is a photoperiod-insensitive early flowering mutant of rice, a SD plant ...
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cyr2 is late flowering under long day conditions. Col. cry2. 11. BIOL. 350 Spring 08 ... Regulation of flowering time. Co-action with phytochromes ...
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There are several reasons but one is that chlorophyll interferes with phytochrome detection. ... When Pr Pfr, the hook straightens and chlorophyll is produced. ...
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Location: ripening fruit tissue; stem nodes; aging leaves and flowers ... Critical night length controls flowering. Phytochromes ...
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Effect of temperature drop on shoot elongation and hormone balance ... Microscopy of Norway spruce material with phytochromes with fluorescent label (GFP) ...
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Light regulation of plant development ... Chloroplast movement 3) Stomatal opening See also lecture on auxin effects on plant development.
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... phytohormones * Shade avoidance syndrome Plants adapt to changes in light conditions -Shade Avoidance Syndrome- R/FR = photon fluence rate in 10 nm band ...
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Help needed for the Art & Science Day at the Chester Street Elementary school 110 Chester St, Kingston
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Light perception in plants. Because plants do not enjoy the luxury of being able to change their environment ... LFRs in bioelectric potentials and ion distribution ...
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Title: Concept Map Author: Jeff Young Last modified by: Jeff Young Created Date: 12/1/2003 8:28:31 PM Document presentation format: On-screen Show Company
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Light and plant development. Photomorphogenesis - a change in plant ... Antoine de Saint Exupery, The Little Prince (Harcourt, Brace & World Inc. ...
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erf: ethylene response factor. no transcription. Light is used by plants as a signal, as well as an energy source, ... Explain the importance of auxin in plants. ...
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Photoperiodism, Gravitropism, and Thigmotropism AP Biology Unit 5 Photoperiodism How a plant responds (with respect to flowering) to the relative amount of light ...
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Engineering E.Coli to see Light Voigt CA et. al. 2005 Light Engineering Imaging using E.Coli System Stimulus Red Light Highly defined edges Two-dimensional image ...
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Title: Slide 1 Author: Heba Mohamed Adel El-Bialy Last modified by: Heba Mohamed Adel El-Bialy Created Date: 4/14/2006 1:23:11 AM Document presentation format
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Chapter 39 Plant Responses to Internal and External Signals Response to Stimuli Plants are sensitive to a wide range of stimuli. They elicit a response.
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Plant Responses to Signals
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9.3.1 Draw and label a diagram showing the structure of a dicotyledonous animal-pollinated flower. 1 Limit the diagram to sepal, petal, anther, filament, stigma ...
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Title: Lecture #17 Date _____ Author: Chris Hilvert Last modified by: s.moser Created Date: 2/12/2001 3:39:05 PM Document presentation format
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Lecture Date _____ ... germination of seed and bud; stem elongation; leaf growth ... growth/development of roots, leaves, and flowers; senescence Daily and ...
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AP Biology Chapter 39 Plant Responses to Internal and External Signals Plant hormones Hormone: chemical signals that coordinate parts of an organism; produced in one ...
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9.3 Reproduction in Angiospermophytes
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Chapter 39 Plant Responses to Internal and External Signals * * * Figure 39.17 Inquiry: How does the order of red and far-red illumination affect seed germination?
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Several flowering plants use the pigment phytocrome to sense seasonal changes in ... Cactus spp. Rosaceae Buds. Poppy. Cannnabis. Peyote. Long Day Plants ...
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Title: video Author: BCP User Last modified by: Sally Created Date: 7/11/2002 5:04:39 PM Document presentation format: On-screen Show (4:3) Company
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... meristem and is found in young leaves and in flowers and fruits ... or flower to drop ... require a specific sequence of day lengths in order to flower ...
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Title: 5 Author: b Last modified by: User Created Date: 3/9/2004 6:22:20 AM Document presentation format
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Photoperiodism flowering times, Long-day plants, night breaks induce flowering. Short-day plants, night breaks inhibit flowering.
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Plant Responses (tropisms) Chapter 39 At every stage of life plants are responding to their environment. Flowers following the sunlight (phototropism) Curling ...
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Biology 172 Chapter 39 Plant Responses to Internal and External Signals Light and Etiolation Signal Transduction Signal Transduction and De-etiolation Additional ...
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Chapter 39 Plant Responses to Internal and External Signals Shawn Koshy Peter Jandovitz Jason Lee Cody Pickel Edwin Mathieu Gravity Gravitropism is a response to gravity.
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Growth and development in plants Response Stimulus Results in survival of species respond by changing their growth pattern Tropism growth toward or away from a ...
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They are quite dynamic creatures doing amazing things, ... My goal for this class is to convince you that plants are not as boring as many people think they ...
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Title: Dr Joanne Chory of The Salk Institute, Howard Hughes Medical Institute will be presenting a seminar on
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Plant Responses AP Biology Chapter 39
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promotes (or inhibits) seed germination in some species ... Chromophore = flavin (FAD) Blue-UV receptors (for leaf development) ...
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the ability of the plant to respond to different lengths of light treatment ... Chenopodium alba 'lamb's quarter' Bud Dormancy. Wareing (1950's) Fagus beech tree ...
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