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gel electrophoresis

noun, Biochemistry.
a technique for separating protein molecules of varying sizes in a mixture by moving them through a block of gel, as of agarose or polyacrylamide, by means of an electric field, with smaller molecules moving faster and therefore farther than larger ones. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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gel electrophoresis in Culture
gel electrophoresis [(i-lek-toh-fuh-ree-sis)]

A technique used in DNA fingerprinting and other processes in which large molecules are to be identified. Fragments of DNA are placed in a semiporous gel, and an electrical field is turned on. The fragments move in response to the field, with smaller fragments generally moving faster. After a time, the fragments have separated enough to form a series of separated lines like a bar code that characterizes the DNA.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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