8.3 notes cancer and the cell cycle. cell cycle--controlled by proteins and enzymes uncontrolled...

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8.3 Notes Cancer and the Cell Cycle

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Page 1: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

8.3 Notes8.3 Notes

Cancer and the Cell CycleCancer and the Cell Cycle

Page 2: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Cell cycle--controlled by proteins and enzymes

Uncontrolled cell division is caused by: Failure to produce enzymes Overproduction of enzymes Production of enzymes at the wrong time

Cell cycle--controlled by proteins and enzymes

Uncontrolled cell division is caused by: Failure to produce enzymes Overproduction of enzymes Production of enzymes at the wrong time

Page 3: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Cancer--Results from uncontrolled cell division

Tumor--Masses of tissue caused by cancer, they deprive normal cells of nutrients

Cancer--Results from uncontrolled cell division

Tumor--Masses of tissue caused by cancer, they deprive normal cells of nutrients

Page 4: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Metastasis--Cancer cells enter the blood stream and spread through out the body to other organs

Metastasis--Cancer cells enter the blood stream and spread through out the body to other organs

Page 5: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Causes of Cancer--environmental and genetic factors

Environmental causes--cigarette smoke, air and water pollution, UV radiation

Causes of Cancer--environmental and genetic factors

Environmental causes--cigarette smoke, air and water pollution, UV radiation

Page 6: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Healthy Lungs Smoker’s Lungs

Page 7: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Page 8: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Page 9: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

UV RadiationUV Radiation

Ultraviolet (UV) photons harm the DNA molecules of living organisms in different ways. In one common damage event, adjacent bases bond with each other, instead of across the “ladder.” This makes a bulge, and the distorted DNA molecule does not function properly.

Page 10: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

Cancer prevention--a healthy lifestyle can help prevent cancer

Healthy lifestyle consists of-- healthy diet high in fiber low in fat Vitamins and minerals Exercise Avoiding bad decisions (ex. Tobacco)

Cancer prevention--a healthy lifestyle can help prevent cancer

Healthy lifestyle consists of-- healthy diet high in fiber low in fat Vitamins and minerals Exercise Avoiding bad decisions (ex. Tobacco)

Page 11: 8.3 Notes Cancer and the Cell Cycle. Cell cycle--controlled by proteins and enzymes Uncontrolled cell division is caused by: Failure to produce

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