Which of the following statements about the Watson-Crick model of DNA strueture (also called the B-form of DNA) islare TRUE? A. The buses of two nucleotides in a bese-peir are held together by covalant bonds. B The base-pairing of nucleobases occurs on the inside of the double heix c. The two DNA strands run antiparallel in the opposite directions. D. The two DNA strands have identical nucleotide sequences. 1. The sugar-phosphato backbone is located on the outside of the double helix. F. The double hefix is right-handed..