4. a plant cell traps and uses light energy. which characteristic of life is this activity known as?
o a. adaptation
o b. nutrition
o c. metabolism
o d. respiration

You are studying a protein that you call protein x. there is an aspartic acid at a key position in protein x which is important in the folding and stabilization of that protein. if this aspartic acid is changed to a different amino acid, which type of amino acid substitutions is most likely to allow the protein to fold normally?