Cracking the code of life

You will see the video \”Cracking the code of life\” and then you can answer the questions that I post later. You cannot use any other sources for questions, and you should get answer the question only by the video. Please I don\’t like to write very high level of writing. Using common or easy word could be more better. Please do not plagiarism.

http://www.pbs.org/wgbh/nova/body/cracking-the-code-of-life.html

This is the rink for video.