Several other amino acids have side chains with positive or negative charges, while others have polar but uncharged side chains. The chemistry of amino acid side chains is critical to protein ...

The following questions test the reader's understanding of the building blocks of proteins -- the amino acids. They also contribute to an understanding of how these properties affect the ...

Dorothy Gietzen vividly remembers the day she caught the science bug. "We were mixing copper oxides in Howard Vanderbilt's high school chemistry class, and they made the most beautiful blue colors," ...