First slide

Nucleic Acids

Question

The distance between two nucleotides in a polynucleotide strand of DNA is

Easy

A

20 $\overset{0}{A}$ .
B

0.2 nm
C

0.34 nm
D

34 nm

Solution

One helix in a polynucleotide strand of DNA is 3.4 nm long and has 10 nucleotides at equal distance. 3.4/10 = 0.34nm distance between adjacent nucleotides

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