In one or two, well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your paragraph(s): apoptosis blood vessels cell cycle cell division metastasis mutations oncogenes proto-oncogenes regulated signals tumor suppressor genes

Cancer cells formed when the abnormal cell division occurs.

The loss of apoptotic control allows cancer cells to survive longer that leads to mutation. Cancer cells are usually formed when the cell division is uncontrollable and it is due to mutation in the DNA of that cell. An oncogene is that gene which has the potential to cause cancer.

Tumor suppressor genes are responsible for the slow down of cell division, repair DNA mistakes and tell cells when to die. When this tumor suppressor genes don't work properly, cells can grow out of control that lead to cancer disease.

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correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.