Examlex
The largest groups of immigrants to the United States between 1820 and 1860 were from __________.
Proteins
Massive biological molecules, known as macromolecules, are composed of one or more extended sequences of amino acid residues and fulfill a wide range of roles in organisms.
Peptide Bonds
Chemical bonds formed between amino acids during the formation of proteins.
Amino Acids
Organic compounds containing an amino group and a carboxylic acid group, serving as the building blocks of proteins, involved in various biological processes.
Primary Structure
The sequence of amino acids in a protein, which determines its three-dimensional shape and function.
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