Question

2 the current model of dna says dna is shaped like _______. a square b double helix c circle d tornado

Explanation:

In the field of Biology (a subfield of Natural Science), the current scientific model of DNA describes its structure as a double helix. This is a well - established fact in molecular biology, where DNA consists of two strands that wind around each other in a helical shape. The other options (square, circle, tornado) do not match the known structure of DNA.

Answer:

B. Double helix