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DNA Packaging

Chromsomes

-condensed fibers of chromatin

-most condensed / highly packaged form of DNA

-chromatin only coils into chromosomes before/during cell division

Packaging Overview

DNA is the smallest, with each step increasing in size.

Nucleosomes

The DNA and histone proteins as a unit

DNA Packaging

Histones

Proteins that DNA wraps around

How does the cell package so much DNA into such a tiny space?

The key is the way its packaged.

Think: it's like how you can fit more clothes in a suitcase if you fold them.

Chromatin

Nucleosomes coiled into a fiber

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