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). There are 20 kinds of amino acid can form peptides and proteins. There are many possible combinations. And there are also different folding forms and structure that can lead differences in properties.