A Science Museum Hires an Interior Designer to Create a Spiral

Multiple Choice

A science museum hires an interior designer to create a spiral staircase that will represent DNA.The model must be as accurate as possible,but also allow people to climb.You are asked to evaluate the model for scientific accuracy.Which of the following design suggestions would you accept?

A) The steps in the staircase are painted to look like phosphates and sugars.
B) People climbing the stairs will hold onto handrails made of sugars.
C) A support post runs down the very center,representing a string of phosphates.
D) People climbing the staircase will step on pairs of bases.
E) All of the above.