Mitosis cancer when making new cells goes terribly wrong
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Mitosis & Cancer: When Making New Cells Goes Terribly Wrong!. When is mitosis a good thing?. When you have to add or replace cells growth & development repair replacement. When is mitosis a BAD thing. When cells reproduce & they are not needed

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Mitosis cancer when making new cells goes terribly wrong

Mitosis & Cancer:When Making New Cells Goes Terribly Wrong!


When is mitosis a good thing
When is mitosis a good thing?

  • When you have to add or replace cells

    • growth & development

    • repair

    • replacement


When is mitosis a bad thing
When is mitosis a BAD thing

  • When cells reproduce & they are not needed

    • these cells take over organs, but don’t do the right job

    • they just keep making copies

    • cancer

      • damages organs


Why would cells just make copies
Why would cells just make copies?

  • If DNA gets damaged, cells stop listening to correct instructions

    • mutations

  • Causes of mutations:

  • UV radiation

  • chemical exposure

  • radiation exposure

  • heat

  • cigarette smoke

  • pollution

  • age

  • genetics


Tumors
Tumors

  • Benign tumor

    • abnormal cells remain at original site as a lump

    • most do not cause serious problems &can be removed by surgery


Tumors1
Tumors

  • Malignant tumor

    • cells leave original site

      • carried by blood system to other tissues

      • start more tumors

    • damage functions of organs throughout body


Treatments for cancers

side effects

Treatments for cancers

  • Treatments kill rapidly dividing cells

    • chemotherapy

      • poisonous drugs that kill rapidly dividing cells

    • radiation

      • high energy beam kills rapidly dividing cells


Mitosis cancer when making new cells goes terribly wrong

Any Questions??

Any Questions??