which-of-the-following-incorrectly-describes-the-similarities-between-nucleic-ac

Question

Which of the following incorrectly describes the similarities between nucleic acids and proteins?

Accepted Answer

Both have a phosphate backbone providing structural support.

Answer

Both are composed of monomer units joined by covalent bonds.

Answer

Both have one-letter abbreviations for their monomer units.

Answer

Both have distinct left ends and right ends (5' to 3' in nucleic acids, N-terminus to C-terminus in proteins).