'Environmental agents' diaporamas de présentation

Chapter 13 Cancer: Understanding Risks and Means of Prevention

Chapter 13 Cancer: Understanding Risks and Means of Prevention. Cancer: Understanding Risks and Means of Prevention. Learning Objectives Identify and describe the most important ways to prevent cancer. Briefly discuss the incidence of cancer today and why mortality has not fallen.

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OTHER CHRONIC DISEASES & CONDITIONS

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6 .2 Mutations

6 .2 Mutations. Pages 234-239. Mutations. can be caused by: - e nvironmental agents - errors during cell division. Radiation. Exposure to radioactive materials can cause genetic mutations. Chemicals.

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Molecular Basis of Mutation

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DNA Mutations

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DNA Repair

DNA Repair.

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Cell Growth

Cell Growth. Will Cells live forever?. Some cells die because they have been damaged and cannot be repaired Cells also die as part of normal body functioning Called APOPTOSIS - death of cells that are no longer useful.

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The Great Debate MTD: Is testing to the MTD unnecessary animal use or necessary to assure human safety? The Pro Position

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Congenital and Genetic Disorders

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Toxicology

It is the examination of the negative effects of chemicals on living organisms.

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