Proteins are chains of amino acids. There are twenty different
types of naturally occurring amino acids, and all organisms must
have all twenty of them in order to survive. In this project we
will be discussing the amino acid leucine. What are the two
possible methods that a cell may employ to be certain that it has
each of the 20 amino acids?
RNA is partly made of the base uracil. What are the two possible
methods that a cell...