What happens if you place human red blood cells in a concentrated salt solution

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

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?