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Nucleus Ppt

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Nucleus Ppt

  1. 1. NUCLEUS NUCLEUS
  2. 2. Contents Definition of Nucleus I Job of Nucleus II Bibliography IV Structure of Nucleus III
  3. 3. Definition of Nucleus 1. Cell Nucleus is a membrane-enclosed cell organelle that can be found in all eukaryotic cells. (Wikipedia 2009) (Dan Stowell (MCLD) 2009)
  4. 4. Definition of Nucleus 1-1. * Only eukaryotic cells have nucleus . Prokaryotic cells do not contain a cell nucleus of membrane bound organelles. (Yahoo Answers, 2009) (Wikipedia, 2009) Example: Bacteria
  5. 5. Definition of Nucleus 2. Cell Nucleus is the main organelle which controls the whole cell. It also helps cell to reproduce. (100.Naver.com, 2009) ( Chollian .net, 2009)
  6. 6. Job of Nucleus 1. Cell Nucleus is the command center of the cells. So, it controls the activities of the cell, no matter what it is. (TVDSB, 2009)
  7. 7. Job of Nucleus 2. Cell Nucleus have most of the DNA and genetic information. In other words, it is the most important part of the eukaryotic cells. (Yahoo 360°, 2009) (Santa Monica College, 2009) Nucleus DNA
  8. 8. Structure of Nucleus (http:// www.emc.maricopa.edu . 2009)
  9. 9. Structure of Nucleus - Outer Membrane - Outer Membrane is one of the two membranes that is facing the cytoplasm. (Yahoo Answers, 2009)
  10. 10. Structure of Nucleus - Inner Membrane - Inner Membrane is also one of the two membranes which separates the nuclear matrix from the intermembrane space. (Yahoo Answers, 2009)
  11. 11. Structure of Nucleus - Nucleoplasm - Nucleoplasm is one of the types of protoplasm. It is covered by the nuclear membrane. This part is a stinky liquid that surrounds the chromosomes and nucleoli. (wikipedia,2009)
  12. 12. Structure of Nucleus - Nucleolus - Nucleolus is usually in the center of the Nucleus. It is composed of protein and nucleic acids. * Many people think Nucleus and Nucleolus are the same thing, but they aren’t. (Wikipedia, 2009)
  13. 13. Structure of Nucleus -Chromatin- Chromatin is composed of long thin stands of DNA. And it contains instructions that control cell metabolism and heredity. (Chromatin Structure and Function, 2009)
  14. 14. Structure of Nucleus -Nuclear Envelope- Nuclear Envelope is the double membrane that is surrounding the nucleus. (Wikipedia, 2009)
  15. 15. Structure of Nucleus -Nuclear Pore- Nuclear Pores are the huge complexes of protein that cross the nuclear envelope. (University of Texas Medical Branch, 2009)
  16. 16. Bibliography -”Astronauts, DNA and Science” Yahoo 360° (Online) Assessed in 2009/3/9th http://blog.360.yahoo.com/blog-z3phPpg1frU9ea_bDNKBS7zn.D4-?cq=1&tag=science -“Cell Nucleus” Wikipedia Free Encyclopedia (Online) Assessed in 2009/3/9 th http://en.wikipedia.org/wiki/Cell_nucleus -”Chromatin Structure & Function Page” Chromatin Structure and Function (Online) Assessed in 2009/3/9th http://www.chromatin.us/chrom.html -”Inner Membrane” Absolute Astronomy.com (Online) Assessed in 2009/3/9th http://www.absoluteastronomy.com/topics/Inner_membrane -”Nuclear Pore” Wikipedia Free Encyclopedia (Online) Assessed in 2009/3/9th http://en.wikipedia.org/wiki/Nuclear_pore -”Nucleoplasm” Wikipedia Free Encyclopedia (Online) Assessed in 2009/3/9th http:// en.wikipedia.org/wiki/Nucleoplasm
  17. 17. Bibliography -”Nucleus” 100.Naver.com (Online) Assessed in 2009/3/9th http://100.naver.com/100.nhn?docid=188087 -”Nucleus outer membrane” UniProt (Online) Assessed in 2009/3/9 th http://www.uniprot.org/locations/183 -“Nucleus” Thames Valley District School Board (Online) Assessed in 2009/3/9th http://www.tvdsb.on.ca/westmin/Science/sbi3a1/Cells/nucleus.htm -”The Nucleolus” Centre for Distance Learning and Innovation (Online) Assessed in 2009/3/9th http://www.stemnet.nf.ca/~dpower/cell/ncleolus.htm -”The Cell Nucleus” University of Texas Medical Branch (Online) Assessed in 2009/3/9th http:// cellbio.utmb.edu/cellbio/nucleus.htm
  18. 18. (SpectorLab, 2009) Creators PowerPoint Maker Jae-Jin Yun Information Researcher Jae-Jin Yun Bibliography Writer Jae-Jin Yun Source Writer Jae-Jin Yun Background Music -MacGyver Main Theme -When Johnny Comes Marching Home Again Copyright 2009 © BISS Grade9 Science - Biology Class
  19. 19. Thank You For Watching! Thank You For Watching! End Show

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