Question

Which of the following explains why there are so many differences in the properties of peptides and proteins? a) Several amino acid sequences are possible for proteins and peptides b) some proteins are enzymes while others are not c) proteins and peptides include nitrogen d) amino acids form proteins and peptides

Answer 1

I think the answer is a). While though peptides and proteins are formed by amino acids. But the proteins have more complex structure than peptided and this leads to the higher function of proteins over peptides.