Absorption of minerals can be limited by each of the following factors except:
A. physiological need
B. presence of competing minerals
C. presence of hypertension or osteoporosis
D. presence of fiber

it is not C!

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.