Which of the Following Explains Why It Is Often Easier

Multiple Choice

Which of the following explains why it is often easier to sequence a gene rather than sequence the corresponding protein?

A) DNA sequencing can be performed on picogram quantities of DNA
B) DNA is composed of only 4 different monomers while proteins are composed of 20 different monomers
C) restriction endonucleases can be used to cut DNA at specific sequences to generate DNA fragments that can easily be sequenced
D) all of the above
E) both B and C are correct