Answer:
10.4.
Explanation:
DNA is present as the genetic material in all the living organisms except some viruses. Three forms of DNA are B DNA, Z DNA and A DNA.
B form of DNA is generally found in the living organisms. Four main nitrogenous bases are adenine, guanine, thymine and guanine. The DNA has 10.4 nucleotide per turn of B form of DNA.
Thus, the correct answer is option (c).
