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Practice problem

DNA (Role in Inheritance) — Overview & Importance

By Gabi Slizewska
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DNA is a polymer of nucleotides that each contain a sugar-phosphate backbone and nucleobase. DNA has four possible nucleobases: cytosine, guanine, adenine, and thymine. In the image above, the box surrounds the part of the backbone that lacks a phosphate group.

Image source: By Sponk (own work) CC BY 2.0, via Wikimedia Commons

The figure above shows part of a DNA strand. What is depicted inside the red box?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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