Mutations in Human DNA Rarely Impair Normal Cell Function Because

question 19

Multiple Choice

Mutations in human DNA rarely impair normal cell function because

• A) repair of DNA prevents all mutations from ever causing damage to a cell.
• B) damaged cells commit "suicide" to prevent damage to the body.
• C) cells have one major repair enzyme that corrects the mutations quickly.
• D) multiple DNA repair enzymes usually quickly correct the mutations before any damage can occur.
• E) the cells attack dysfunctional gene products, averting damage to the cell.

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