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Brown Algae Anatomy Revisited: Cortex and Medulla

Brown Algae Anatomy Revisited: Cortex and Medulla. Figs. 17.15 in Lee 1999. Medulla. Cortex. Cell Wall. 2. 1. Commercial Use. 13. 11. 12. Cell Wall Components I. Mg 2+. K +. 4. Ca 2+. Na +. Cell Wall Components II. 3. Cell Wall Components III. PLASTIDS.

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Brown Algae Anatomy Revisited: Cortex and Medulla

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  1. Brown Algae Anatomy Revisited: Cortex and Medulla Figs. 17.15 in Lee 1999 Medulla Cortex

  2. Cell Wall 2 1

  3. Commercial Use 13 11 12

  4. Cell Wall Components I Mg2+ K+ 4 Ca2+ Na+

  5. Cell Wall Components II 3

  6. Cell Wall Components III

  7. PLASTIDS Fig. 12.5 in Graham et al. 2008

  8. Pigments Chlorophyll a 6 Fucoxanthin B Carotene Violaxanthin 27

  9. Pigment Absorption Spectrum 7

  10. Chloroplast Origin 34

  11. Storage Product 3 : 1

  12. (Chrysolaminarin) 11 : 1

  13. Pyrenoid 8

  14. Cell Division

  15. Semi-Closed Mitosis

  16. Cytokinesis

  17. Isomorphic Alternation of Generations (Ectocarpus) Gametophyte (n) Sporophyte (2n) Spore (n) Ectocarpus Ectocarpus Zygote (2n) Gametes (n) Fig. 14.23 in Graham et al. 2008

  18. Gametophyte Unilocular Sporangium 11 Sporophyte Pleurilocular Gametangium 12

  19. Male Gametangium Female Gametangium Pheremone (= Sex Hormone) (e.g., Ectocarpene)

  20. Mixture of Sexual, Asexual Reproduction: Pleurilocular Sporangia Ectocarpus

  21. Ectocarpus Summary Gametophyte (n) Sporophyte (2n)

  22. Heteromorphic Alternation of Generations (Laminaria) Sporophyte (2n) Gametophyte (n) 14 13 Gametes (n) Zygote (2n)

  23. Unilocular Sporangium Gametophyte (n) Sporophyte (2n) Gametangia

  24. Fucus (Air Bladders, Receptacles) 15

  25. Diplontic (2n) Gametes (n) Zygote (2n)

  26. Conceptacles, Ostiole, Female Gametangia, Male Gametangia 16 17 18 Male Gametangia Female Gametangia Gametes (n)

  27. Sporophyte (2n) Gametophyte (n) X

  28. Stramenopiles: Phaeophyceae 18 19

  29. 1 http://www.botany.ubc.ca/Biol320/ultra/x7.jpg 2 http://www.ccap.ac.uk/news/images/Eu05_EcCaro_10dai_Ex97_bar20microns_ web_000.jpg 3 http://www.greenspirit.org.uk/resources/cellulose.gif 4 http://www.aapspharmscitech.org/articles/pt0803/pt0803051/pt0803051_figure1.jpg 5 http://www.scielo.br/img/revistas/aabc/v77n4/a07fig04.gif 6 http://www.nature.com/nbt/journal/v18/n8/thumbs/nbt0800_888_F4.gif 7 http://www.angelo.edu/faculty/kboudrea/molecule_gallery/04_aromatics/ chlorophyll-a_01.gif 8 http://www.botany.ubc.ca/Biol320/ultra/iii1.jpg 9 http://www.ne.jp/asahi/marine/algae/Ectocarpus3.jpg 10 http://io.uwinnipeg.ca/~simmons/2152web/2152/l5fig5.jpg 11 http://image40.webshots.com/40/7/24/93/304372493JEvCwL_ph.jpg 12 http://plantphys.info/organismal/lechtml/images/ectocarpusgam.jpg

  30. 13 http://www.dkimages.com/discover/previews/889/85001718.JPG 14 http://www.jochemnet.de/fiu/bot4404/Br_Laminaria_gametophyte.jpg 15 http://upload.wikimedia.org/wikipedia/commons/c/c9/Fucus_vesiculosus_ closeup.jpg 16 http://botit.botany.wisc.edu/images/130/Protista_I/Phaeophyta_Images/ Fucus_Images/Conceptacle_receptacle_MC.low.jpg 17 http://botit.botany.wisc.edu/courses/botany_130/Diversity/ Protista/images/Oogonia.jpg 18 http://api.ning.com/files/y8l6PSTl4ba9-W6ejDMaJKFF30sF6fB6Typ Nupyxdt73eX6CpKCTnrU3WH5-0i1SFxfWQwdcA4KgW2-8xnnpLsU9hHP wX*jz/kelpfish.jpg 27 http://www.holocaust-history.org/auschwitz/zyklonb/Sample3-diatomaceousearth.jpg

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