Occasionally the dna may become damaged. fortunately, several proofreading genes code for proteins that find and repair the damaged dna. what might happen if one of these genes were damaged?

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.