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Post date: Jan 19, 2015 8:43:43 PM
Click here to watch a video about how scientists discover that it is DNA, but not proteins that were responsible for storing and passing on genetic information:
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Post date: Jan 19, 2015 8:43:43 PM
Click here to watch a video about how scientists discover that it is DNA, but not proteins that were responsible for storing and passing on genetic information: