We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byClayton Kernell
Modified about 1 year ago
© 2014 Pearson Education, Inc. 1
Light H 2 O and minerals H2OH2O Sugar O2O2 CO 2 O2O2 2
© 2014 Pearson Education, Inc. Shoot apical meristem Buds 34 21 42 29 16 11 19 27 32 24 40 28 15 10 23 31 18 13 26 22 12 17 25 20 1 2 3 4 5 6 7 8 9 14 1 mm 3
© 2014 Pearson Education, Inc. Apoplastic route Cell wall Symplastic route Transmembrane route Cytosol Key Plasmodesma Plasma membrane Apoplast Symplast 4
© 2014 Pearson Education, Inc. CYTOPLASM EXTRACELLULAR FLUID Proton pump Hydrogen ion Sucrose (neutral solute) Potassium ion Ion channel Nitrate (d) Ion channels (c) H and cotransport of ions (b) H and cotransport of neutral solutes (a) H and membrane potential H /sucrose cotransporter H /NO 3 − cotransporter S NO 3 − KK KK KK KK KK KK KK HH HH HH HH HH HH HH HH HH HH HH HH S S S S S HH HH HH HH HH HH HH HH HH HH HH HH HH HH HH HH HH HH 5
© 2014 Pearson Education, Inc. Plasmolyzed cell at osmotic equilibrium with its surroundings Turgid cell at osmotic equilibrium with its surroundings 0.4 M sucrose solution: (a) Initial conditions: cellular environmental −0.9 MPa 0 MPa Initial flaccid cell: 0 MPa 0000 PSPS Pure water: (b) Initial conditions: cellular environmental −0.7 MPa −0.7 PSPS −0.9 PSPS 0 −0.9 MPa −0.9 PSPS 0 0 0.7 PSPS −0.7 6
© 2014 Pearson Education, Inc. Turgid Wilted 7
© 2014 Pearson Education, Inc. Technique Control: Solution containing all minerals Experimental: Solution without potassium 8
© 2014 Pearson Education, Inc. 9
Nitrogen-deficient Potassium-deficient Phosphate-deficient Healthy 10
© 2014 Pearson Education, Inc. Soil particle KK Root hair Cell wall Mg 2 KK HH HH KK Ca 2 H 2 O CO 2 H 2 CO 3 HCO 3 − 11
© 2014 Pearson Education, Inc. ATMOSPHERE SOIL Nitrogen-fixing bacteria N2N2 N2N2 N2N2 NH 3 (ammonia) H (from soil) Ammonifying bacteria Amino acids NH 4 (ammonium) NO 2 − (nitrite) Nitrifying bacteria NO 3 − (nitrate) Nitrifying bacteria Denitrifying bacteria Microbial decomposition Nitrate and nitrogenous organic compounds exported in xylem to shoot system NH 4 Root Proteins from humus (dead organic material) 12
© 2014 Pearson Education, Inc. Roots Nodules 13
© 2014 Pearson Education, Inc. Epidermis Cortex Epidermal cell Endodermis Mantle (fungal sheath) Mantle (fungal sheath) Fungal hyphae between cortical cells (LM) 50 m 1.5 mm (Colorized SEM) Epidermis Cortex Fungal vesicle Endodermis Cortical cell Casparian strip Plasma membrane Arbuscules (LM) 10 m Root hair Fungal hyphae (a) Ectomycorrhizae (b) Arbuscular mycorrhizae (endomycorrhizae) 14
© 2014 Pearson Education, Inc. Experiment Results Invaded Uninvaded Sterilized invaded Sterilized uninvaded Soil type Invaded Uninvaded Soil type White ash Sugar maple Seedlings Red maple Mycorrhizal colonization (%) Increase in plant biomass (%) 300 200 100 0 30 20 10 0 40 15
© 2014 Pearson Education, Inc. Staghorn fern, an epiphyte 16
© 2014 Pearson Education, Inc. Parasitic plants Mistletoe, a photosynthetic parasite Dodder, a nonphoto- synthetic parasite (orange) Indian pipe, a nonphoto- synthetic parasite of mycorrhizae 17
© 2014 Pearson Education, Inc. Carnivorous plants Pitcher plants Venus flytraps Sundew 18
© 2014 Pearson Education, Inc. Apoplastic route Symplastic route Transmembrane route The endodermis: controlled entry to the vascular cylinder (stele) Apoplastic route Symplastic route Root hair Plasma membrane Epidermis Casparian strip Vascular cylinder (stele) Vessels (xylem) Cortex Endodermis Pathway along apoplast Transport in the xylem Casparian strip Pathway through symplast Endodermal cell 112245334554 19
© 2014 Pearson Education, Inc. Xylem Microfibrils in cell wall of mesophyll cell Microfibril (cross section) Air-water interface Water film Cuticle Mesophyll Cuticle Stoma Air space Upper epidermis Lower epidermis 20
© 2014 Pearson Education, Inc. Cohesion by hydrogen bonding Water molecule Cohesion and adhesion in the xylem Water uptake from soil Water Soil particle Root hair Cell wall Transpiration Xylem cells Water molecule Adhesion by hydrogen bonding Xylem sap Mesophyll cells Stoma Atmosphere Outside air Water potential gradient Leaf (air spaces) Trunk xylem Leaf (cell walls) Trunk xylem Soil −7.0 MPa −100.0 MPa −1.0 MPa −0.8 MPa −0.6 MPa −0.3 MPa 21
© 2014 Pearson Education, Inc. Guard cells turgid/Stoma open KK Guard cells flaccid/Stoma closed H2OH2O Radially oriented cellulose microfibrils Cell wall Vacuole (a) Changes in guard cell shape and stomatal opening and closing (surface view) Guard cell (b) Role of potassium ions (K ) in stomatal opening and closing H2OH2O H2OH2O H2OH2O H2OH2O H2OH2O H2OH2O H2OH2O H2OH2O H2OH2O 22
© 2014 Pearson Education, Inc. Old man cactus (Cephalocereus senilis) Ocotillo (Fouquieria splendens) Oleander (Nerium oleander) Thick cuticle Upper epidermal tissue Stoma Lower epidermal tissue Crypt Trichomes (“hairs”) 100 m 23
© 2014 Pearson Education, Inc. Apoplast Symplast Cell walls (apoplast) Plasmodesmata Mesophyll cell Plasma membrane Companion (transfer) cell Sieve-tube element Mesophyll cell Bundle- sheath cell Phloem parenchyma cell (a) Sucrose manufactured in mesophyll cells can travel via the symplast (blue arrows) to sieve-tube elements. (b) A chemiosmotic mechanism is responsible for the active transport of sucrose. High H concentration Low H concentration Proton pump Cotransporter Sucrose S S HH HH HH 24
© 2014 Pearson Education, Inc. Loading of sugar H2OH2O Vessel (xylem) Source cell (leaf) Sieve tube (phloem) H2OH2O Sucrose Uptake of water Unloading of sugar Recycling of water Sink cell (storage root) H2OH2O Sucrose Bulk flow by negative pressure Bulk flow by positive pressure 1 1 2 2 3 4 3 4 25
© 2014 Pearson Education, Inc. Figure © 2014 Pearson Education, Inc. Figure 36.1a.
Chapter 36: Transport in Vascular Plants 1. Where does transport occur in plants? Start with water….
Chapter 29 Transpiration and Unusual Plants. You Must Know How the transpiration cohesion-tension mechanism explains water movement in plants.
AP Biology Transport in Plants AP Biology Transport in plants H 2 O & minerals transport in xylem transpiration evaporation, adhesion.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings.
Water Regulation and Nutrient Absorption © 2011 Pearson Education, Inc.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Chapter 36 Transport in Plants.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology, Seventh Edition Neil Campbell and Jane Reece.
CAMPBELL BIOLOGY IN FOCUS © 2014 Pearson Education, Inc. Urry Cain Wasserman Minorsky Jackson Reece Lecture Presentations by Kathleen Fitzpatrick and Nicole.
Resource Acquisition and Transport in Vascular Plants
Resource Acquisition and Transport in Vascular Plants.
Transport in Vascular Plants
Chapter 25: Transport of Water and Nutrients in Plants AP Biology.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings PowerPoint ® Lecture Presentations for Biology Eighth Edition Neil Campbell.
Transport In Plants. Cellular Transport Diffusion Osmosis Facilitated Diffusion Active Transport Proton Pump.
Transport in Vascular Plants. Overview: Pathways for Survival For vascular plants, the evolutionary journey onto land involved differentiation into.
Chapter 36: Transport in Plants
AP Biology Chapter 36. Transport in Plants.
Chapter 36 Transport in Plants. For vascular plants the evolutionary movement onto land involved the differentiation of the plant body into roots and.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint TextEdit Art Slides for Biology, Seventh Edition Neil Campbell and.
Chapter 36 Transport in Vascular Plants. Physical forces drive the transport of materials in plants over a range of distances Transport in vascular plants.
Transport and Transpiration AP Biology. Transport of Water Water and minerals enter root through root hairs osmosis: Two pathways toward center of root.
I.Water potential II.Transpiration III.Active transport & bulk flow IV.Stomatal control V.Mineral acquisition VI.Essential nutrients VII.Symbioses & other.
Transport in Vascular Plants Chapter 36. Transport in Plants Occurs on three levels: the uptake and loss of water and solutes by individual cells
AP Biology Chapter 36. Transport in Plants AP Biology Transport in plants H 2 O & minerals Sugars Gas exchange.
Chapter 36 Transport in Plants. Fig Plants require: CO 2 Light O2O2 H2OH2O Minerals Macronutrients (besides C, H, O) Ca, K, Mg, N, P, S Micronutrients.
NOTES: CH 36 - Transport in Plants. Recall that transport across the cell membrane of plant cells occurs by: -diffusion -facilitated diffusion -osmosis.
1 Transport in plants occurs across a network of vessels and over long distances.
Chapter 36: Transport in Plants. Plants Leaves roots may be 100m apart.
Also Known As Chapter 36!! Transpiration + Vascularity.
Chapter 29 Soil Bacteria and Mycorrhizal Fungi. Concept 29.3: Plants roots absorb essential elements from the soil Water, air, and soil minerals contribute.
+ Mrs. Valdes AP Biology Chapter 36: Resource Acquisition and Transport in Vascular Plants.
Chapter 29 Phloem. You Must Know How bulk flow affects movement of solutes in plants.
LECTURE PRESENTATIONS For CAMPBELL BIOLOGY, NINTH EDITION Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert.
TRANSPORT in PLANTS. What must be transported in plants? H 2 O & minerals Sugars Gas Exchange.
Chapter 10, Transport in Multicellular Plants. Particular requirements of plants: Carbon dioxide Oxygen Organic nutrients Inorganic ions and water Energy.
Question ? u How do plants move materials from one organ to the other ?
© 2017 SlidePlayer.com Inc. All rights reserved.