Choose the Correct Answer from the List Below

Multiple Choice

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: This amino acid residue disrupts the α helix because its side chain contains a unique ring structure that restricts bond rotations.

A) amino
B) water
C) protons
D) DNA
E) secondary structure
F) tertiary structure
G) Ramachandran
H) RNA
I) domain
J) cystine
K) proline
L) Sanger
M) D amino acids
N) cysteine