Eli5: What are human body cells made of?

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I were never good at Biology, but always wanted to know what a cell is actually made off. I know there are some little things in the cell, but what I meant, what chemical elements is one made off?

I suppose mostly of H2O, but maybe something else. That’s why I’m here, as I couldn’t find anything online. Maybe I’m just too stupid to find things on the web, but anyways, I would love to know it. Thank you guys!

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14 Answers

Anonymous 0 Comments

You’re mostly made from plant materials.

The membranes are made from fats which mostly come from your diet. You (in fact all animals) can’t make the straight chain oils that go into making your cell membrains. Many of the structures in the cell also have membranes made of the same material. The fats are basically oil with an acid or phosphate cap at one end. They’re made from chains of carbon and hydrogn. The ends contain oxygen and phosphorous as well.

Many of the structural elements of the cell as well as the enzymes in the cell are made from proteins. Proteins are assembled out of amino acids. Amino acids are made from carbon, hydrogen, oxygen and nitrogen.

Those plus water probably account for 99.9% of the cell.

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