BI-350
Mutagens
Biology · Secondary 3 · Medium · Mutagens
A student is studying why smoking can increase the chance of cancer. Which statement best explains this in terms of mutagens?
- Chemicals in tar damage DNA and increase mutation rate
- Water vapour in smoke cools the lungs and causes mutations
- Nitrogen gas in smoke directly changes genes
- Carbon dioxide in smoke breaks DNA strands
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.