Why does every cell in our body contain DNA?

Not every cell in our bodies actually contain DNA. There is typically a lack of DNA in our mature red blood cells and cornified cells which are found in hair, skin, and our nails. These cells don’t contain a nucleus.


It turns out, our red blood cells are actually trained to destroy their cells nuclei. They do this to maximize the amount of oxygen they’ll be able to deliver through our blood capillaries. So they destroy their nuclei to ensure that we can the most amount of oxygen possible. That’s kind of cool, right?


Cornified cells also lack their nucleus — they start with one to ensure that they develop properly but destroy them so they can maximize their space to carry the protein keratin.


Besides mature cells (red blood cells & cornified cells) all of our others cells contain their nucleus. Our body is capable of some many amazing things!


This drug test form must be completed before check out. The info is required in order to create your donor pass. A donor pass must be presented at the collection site with a valid photo ID. Once the form is complete, you will be able to proceed and check out. Your donor pass will be emailed to you, in most cases same day, or within 24 hours. ALL DONOR PASSES ARE VALID FOR (7) DAYS. Collection site is selected based on the zip code you provided.

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