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Either nitrogen, phosphorus, chlorine or potassium... I can't tell, but hope that helps:]

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Q: What element do all proteins contain?
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Related questions

What element is present in protein that was not present in carbohydrates?

Proteins contain nitrogen, which is not present in carbohydrates.


What element is used to make proteins?

All proteins contain carbon, hydrogen, nitrogen, and oxygen. Many also contain sulfur, and cofactors can have all kinds of wacky stuff in them, like iron, manganese, cobalt, you name it.


Which element contains protein?

Elements are pure substances, consisting of atoms. They do not contain proteins. Proteins are molecules consisting of a chain of atoms.


What 1 element distinguishes proteins from carbohydrates and fats?

Nitrgen. The all have the elements Carbon, Hydrogen and Oxygen in common, but on top of that, proteins ALSO contain nitrogen.


What major element is found in protein?

Proteins contain carbon, hydrogen, oxygen, and nitrogen.


Role that nitrogen plays as essential to the production of proteins?

Nitrogen is a key element. Proteins contain nitrogen and without nitrogen no protein.


Is oxygen present in protein but not in fats?

Nitrogen is the element present in all proteins except carbohydrates and fats. Amino acids make up all proteins, and they contain the amino group NH2, except for carbohydrates and fats.?æ


What cells contain protein?

Better question. What cells do not contain proteins? Proteins is from the Greek and means " first place, " so I can not think of any cell without some types of proteins.


What Compounds made from living sources all contain the element?

All living sources contain the element Carbon


What element do all alkalis contain?

They all contain acid and bases


The building blocks of most biomolecules contain the element?

Carbon is considered the building block of life and makes up macromolecules. Nitrogen, oxygen and hydrogen are the other 3 key building blocks.


What element is found primarily in proteins and nucleic acids?

There are several elements in all proteins and all nucleic acids:Hydrogen,Carbon,Oxygen, andNitrogen.All nucleic acids also contain a lot of phosphorus and commonly proteins contain a tiny bit too, but that is not really relevant to the intention of the question.