Which element is generally absent in proteins | vedclass

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(D) Proteins are polymers of amino acids. The basic structure of an amino acid consists of a central carbon atom bonded to an amino group $(-NH_2)$,a

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$P$

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(D) Proteins are polymers of amino acids. The basic structure of an amino acid consists of a central carbon atom bonded to an amino group $(-NH_2)$,a carboxyl group $(-COOH)$,a hydrogen atom,and a variable $R$-group. Therefore,all proteins contain Carbon $(C)$,Hydrogen $(H)$,Oxygen $(O)$,and Nitrogen $(N)$. Sulfur $(S)$ is present in specific amino acids like cysteine and methionine. Phosphorus $(P)$ is generally absent in the primary structure of proteins,although it may be found in conjugated proteins (like phosphoproteins),but it is not a fundamental element of the protein structure itself.

Which element is generally absent in proteins?

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