Why does wearing sunscreen reduce cancer risk?
A) Sunscreen can repair damaged DNA.
B) Sunscreen can activate checkpoints in skin cells.
C) Sunscreen can reduce the chance of mutations caused by exposure to UV radiation present in sunlight.
D) It does not reduce cancer risk;sunscreen causes mutation and actually increases cancer risk.
E) Sunscreen can prevent cells with mutations from being destroyed.
Correct Answer:
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Q7: Cell division is usually kept under control
Q8: At the G2 checkpoint,cells pause to
A) wait
Q9: Which of the following help(s)to prevent cancer?
A)
Q10: Proteins scan chromosomes for damage during the
A)
Q11: Apoptosis
A) occurs in normal cell division.
B) contains
Q13: At the G1 checkpoint,cells pause to
A) wait
Q14: If a cell is irreparably damaged,it undergoes
Q15: In an otherwise normal cell,what happens if
Q16: The cell cycle checkpoints are responsible for
Q17: What might be the result of a
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