The secondary structure of DNA is characterized by:
A. Two polynucleotide strands are antiparallel around the same central axis to form a double helix
B. Form base pairing in AT, GC manner
C. Both strands are right-handed helices
D. All of these
Answer:D
The secondary structure of DNA is characterized by:
A. Two polynucleotide strands are antiparallel around the same central axis to form a double helix B. Form base pairing in AT, GC manner C. Both strands are right-handed helices D. All of these