In the spiral staircase analogy of DNA structure, each railing represents a _____ and each step represents a _____.
A)sugar-phosphate backbone; pair of bases
B)sugar-phosphate backbone; base
C)base; the sugar-phosphate backbone of the DNA molecule

Question

Quizplus · Accepted Answer

The spiral staircase analogy of DNA structure uses the railings to represent the sugar-phosphate backbone and the steps to represent pairs of bases, which are complementary to each other (e.g., adenine pairs with thymine, and cytosine pairs with guanine).

In the Spiral Staircase Analogy of DNA Structure, Each Railing