Which best describes how DNA fits inside a cell nucleus? DNA folds into stacked layers called chromatin, which then squeezes into the nucleus. DNA is double-stranded, so one strand is inside the nucleus, and the other wraps around the nucleus. DNA tightly coils around proteins and condenses into chromosomes, which fit in the nucleus. DNA is naturally much smaller than the cell nucleus so it easily fits inside the nucleus.

Explanation:

DNA is tightly packed up to fit in the nucleus of every cell. A DNA molecule wraps around histone proteins to form tight loops called nucleosomes. These nucleosomes coil and stack together to form fibers called chromatin. Chromatin, in turn, loops and folds with the help of additional proteins to form chromosomes. Condensing DNA into chromosomes prevents DNA tangling and damage during cell division.

b. to discover aspects of the natural world.

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