M09

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A cell will fail to progress past the cell cycle checkpoint at the G1 phase when:

- DNA is damaged - Environmental conditions are not suitable for growth

Cancer cells often exhibit which of the following behaviors?

- They invade other tissues - They divide uncontrollably - They can move to new areas of the body and continue dividing

In an otherwise normal cell, what happens if one mistake is made during DNA replication?

A cell cycle checkpoint detects the error and pauses the cell cycle so the error can be corrected

Which of the following cancer treatments is the LEAST targeted meaning it has the most potential to damage cells that are not cancerous in the body.

Chemotherapy

Which of the following is true about how cells divide?

Most of the time cells are growing and/or performing normal cell functions and only sometimes divide

Which stage of the cell cycle do chromosomes replicate?

S

The "go" proteins that signal at checkpoints for cells to divide when conditions are met are coded for in the DNA by:

proto-oncogenes


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