Ihich of these is the best definition of
density?
a. the amount of space an object takes up
b. the amount of mass in a given space
c. a measure of the force of gravity on an object
d. the sum of all physical properties of a substance

Protein and polypeptide sequences can be determined by first partially hydrolyzing the protein or polypeptide followed by amino acid sequencing of the fragment pieces using the chemical degradation process known as edman degradation. determine the sequence of the initial (18-amino acid) polypeptide that produces the following five partial sequences after hydrolysis and edman degradation.