A single DNA molecule runs half the length of a human chromosome; the rest of the chromosome consists of protein.

Name: A single DNA molecule runs half the length of a human chromosome; the rest of the chromosome consists of protein.
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A human chromosome consists of both DNA and proteins, with DNA making up only a small portion of the overall structure. The DNA molecule itself is tightly coiled and packaged with proteins called histones to form chromatin, which makes up the majority of the chromosome.

A Single DNA Molecule Runs Half the Length of a Human