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Introduction to the lesson
Cancer is the second leading cause of death worldwide. Up until now, in this chapter, we have seen how life is dependent on mitosis and how mitosis is regulated and controlled. In this lesson, we will see how uncontrolled mitosis can destroy the body. Read the World Health Organization's fact file on cancer.
Cancer
Read the section “Cancer” on p.103-105 of your text book.
Learning Activity 1
Answer the following questions in your exercise book.Question
- Using Fig. 5.15 (p.105) and the text, explain in your own words the eight steps in the development of cancer.
- Cancers are caused by uncontrolled mitosis. What complications will this result in when it comes to treating cancer?
Definitions and review
Definitions
- Cancer
- Tumour
- Mutation
- Oncogene
- Carcinogen
- Benign tumour
- Malignant tumour
- Metastasis
Mindmap
Add this section to your chapter five mindmap.