Suppose that multiple newly created amino acids interact to build a small protein molecule. The primary structure of that protein is formed when: A.the R-group of one amino acid forms intermolecular attractions with the R-group of another.B.the amino-terminus of one amino acid attacks the carboxy-terminus of another.C.the amino-terminus of one amino acid forms H-bonds with the carboxy-terminus of another.D.the carboxy-terminus of one amino acid attacks the amino-terminus of another.
Question
Suppose that multiple newly created amino acids interact to build a small protein molecule. The primary structure of that protein is formed when: A.the R-group of one amino acid forms intermolecular attractions with the R-group of another.B.the amino-terminus of one amino acid attacks the carboxy-terminus of another.C.the amino-terminus of one amino acid forms H-bonds with the carboxy-terminus of another.D.the carboxy-terminus of one amino acid attacks the amino-terminus of another.
Solution
The primary structure of a protein is formed when option B occurs: the amino-terminus of one amino acid attacks the carboxy-terminus of another. This process forms a peptide bond, which links the amino acids together in a specific sequence to form the primary structure of the protein.
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