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2017 Word of the Year

complementary strand

noun, Biochemistry.
1.
either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases.
2.
a section of one nucleic acid chain that is bonded to another by a sequence of base pairs.
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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