Double Helix
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Example:
Imagine trying to untangle a pair of twisty earbuds that have been jumbled in your pocket. Just like those earbuds, the DNA molecule is structured in a twisted shape that is both compact and intricate. The twisted ladder shape of the DNA, known as a double helix, can be compared to the earbuds because both involve long strands that coil around themselves in a specific pattern, with the DNA's rungs made of chemical bases pairing up like the left and right earbuds aligning to create a functional structure.
Practice Version
Double Helix: The twisted ladder shape of a DNA molecule. Double helix. A double helix is the shape formed by two intertwined strands that make up the structure of DNA.