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  1. ...reticulum Enclosing the nucleus is a nuclear envelope, a double membrane perforated with pores through which materials enter and leave the nucleus...

    3 Answers · Science & Mathematics · 03/10/2009

  2. ... called "septa" (singular septum). Septa are usually perforated by pores large enough for ribosomes, mitochondria and sometimes nuclei...

    2 Answers · Science & Mathematics · 23/10/2009

  3. ... with this particular bacterium). The bacteria then can perforate through the intestinal wall in a process called "invasion". Many...

    3 Answers · Science & Mathematics · 26/11/2010

  4. ... of water prevents formation of ice crystals that would perforate the membranes of the cells. Larger animals have not...

    2 Answers · Science & Mathematics · 11/11/2009

  5. your answer is A The primary function of the Golgi apparatus is to process and package macromolecules, such as proteins and lipids, after their synthesis and before they make their way to their...

    1 Answers · Science & Mathematics · 31/01/2010

  6. ... about 5um. in diameter. It is surrounded by a lipid bilayer perforated with pores. There is a 20-40 nm. space between the layers...

    2 Answers · Science & Mathematics · 04/10/2006

  7. ... can cause this, as well as excessive internal bleeding (like a perforated ulcer). Women often suffer from temporary anemia during their periods...

    5 Answers · Science & Mathematics · 23/12/2012

  8. ...by a specialized fine hollow "needle" called proboscis which perforates skin and capillaries; in bats by sharp incisor teeth that act...

    1 Answers · Science & Mathematics · 28/08/2010

  9. Dead cells have perforated cell membranes.

    1 Answers · Science & Mathematics · 06/11/2011

  10. ... cells together like bricks. The cell wall is perforated at regular intervalls, so that adjoining cells are in...

    2 Answers · Science & Mathematics · 17/09/2007

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