Polynucleotide
Polypeptide
Oxyacetylene
None of these
The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain.
- A polypeptide is a long chain of amino acids linked together by peptide bonds. The order of the amino acids in a polypeptide determines the structure and function of the protein.
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