OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Select all that describe a “Cancer Cell”
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Divide many more times than normal cells
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Ignore signals to stop dividing, respond to positive and negative factors
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Still continue to divide despite damage to DNA
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Can migrate or metastasize to other areas in the body and grow blood vessels to give the tumor oxygen and nutrients
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Respond to cell cycle regulator signals to stop dividing
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Explanation:
Detailed explanation-1: -The authors distinguish 6 steps in the process from primary local tumor to distant metastasis: i) local invasion, ii) intravasation, iii) survival in the circulation, iv) arrest at distant organ site and extravasation, v) micrometastasis formation, and vi) metastatic colonization (fig. 1).
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