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Biology Asked by a SnapAndSolve user · about 10 hours ago

Select the true statements. 1. UVB waves can directly and indirectly damage DNA. 2. Chromophores can...

Select the true statements.
1. UVB waves can directly and indirectly damage DNA.
2. Chromophores can produce substances that damage DNA.
3. The redness of a sunburn is caused by skin cells peeling off.
4. All skin cells damaged by UV waves will cause skin cancer.

Answer

  1. True. UVB waves can directly and indirectly damage DNA.

  2. True. Chromophores can produce substances that damage DNA.

  3. False. The redness of a sunburn is caused by increased blood flow to the area, not by skin cells peeling off.

  4. False. Not all skin cells damaged by UV waves will cause skin cancer; some may repair themselves or die without leading to cancer.

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