What Is DNA?

This video explains that our bodies follow a set of codes called DNA (deoxyribonucleic acid). It explains the double helix shape of DNA molecules, reviews some of the history of their discovery, and details how they are comprised of the nucleotides adenine, thymine, cytosine, and guanine. It also introduces other key terms including gene and chromosome. Click here for a reading passage and comprehension questions that go along with the video: https://www.teacherspayteachers.com/P...

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