Answer:
Please find the complete solution in the attached file.
Explanation:
53.6 hectometers is not equal to 0.536 kilometer
The group is might be labeled as VIIB or VIIA.
the double helix is hydrogen bonded through the bases only so the bases are inside the helix only
as adenine combines with thymine and guanine with cytosine
phosphate are in the exterior of it
sugar groups constitute the double helix.