DNA molecules can be very long. To better pack them into cells, DNA is often
A) reduced to a single strand.
B) coiled around proteins called histones.
C) broken into smaller molecules.
D) equally divided between neighboring cells.

Question

Quizplus · Accepted Answer

DNA being coiled around proteins called histones, forming chromatin, helps to pack the long DNA molecules into small spaces within cells. This packing also helps regulate gene expression.

DNA Molecules Can Be Very Long