Thursday, 3 January 2013

1.3 recall the term ‘pathogen’ and know that pathogens may be fungi, bacteria, protoctists or viruses.

Pathogens are micro-organisms that cause disease.

Bacteria, fungi, viruses and protoctists all cause disease in a variety of ways.
For example, bacteria release toxins. Another useful example of pathogens causing disease is viruses destroying host cells.
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9 comments:

  1. Unknown10 May 2015 at 23:47

    could be better

    ReplyDelete
  2. Unknown10 May 2015 at 23:47

    could have done and explained better

    ReplyDelete
    Replies
    1. Anonymous23 January 2016 at 10:05

      Learn the difference between a constructive criticism and pointless hate.

      Delete
    2. Anonymous19 October 2016 at 03:21

      this is great and helpful information that instead of criticising you could learn something

      Delete
  3. Unknown14 May 2015 at 16:07

    This is extremely helpful thank you very much!!

    ReplyDelete
  4. Mike Tsang26 June 2017 at 02:33

    The Biology Syllabus has changed.... New Syllabus Blog:

    http://igcse-biology-2017.blogspot.hk

    ReplyDelete
  5. SophieRice26 June 2017 at 06:34

    This comment has been removed by the author.

    ReplyDelete
  6. SophieRice26 June 2017 at 07:16

    Find more at:

    http://igcse-biology-notes.blogspot.hk/2017/06/13-recall-term-pathogen-and-know-that.html

    ReplyDelete
  7. THE PROFESSIONAL GAMER ADDICT17 November 2017 at 23:09

    Hey hanna thanks for the information - i think all the information was mostly accurate - no errors too - best resource to look up!

    ReplyDelete

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