No, neither do their amino acid substituents
Protein foods--proteins all contain phosphorus.
Either nitrogen, phosphorus, chlorine or potassium... I can't tell, but hope that helps:]
All cells contain proteins.
carbon, hydrogen, oxygen and nitrogen. proteins with the amino acid cysteine in them also contain sulphur. DNA proteins also contain phosphorus atoms.
2-Deoxyribose doesn't contain phosphorus.
all living organisms contain some of each of these.
Phosphorus ( and oxygen).
Yes they do!
bananas
Yes
Meat does contain protein
yesEvery protein should contain Nitrogen.To be a protein it should contain -NH2 gruop