What Statement Below Explains the Uniform Width of the DNA

question 23

Multiple Choice

What statement below explains the uniform width of the DNA molecule along its entire width?

• A)A purine nitrogenous base always pairs with another purine nitrogenous base.
• B)A pyrimidine nitrogenous base always pairs with another pyrimidine nitrogenous base.
• C)A pyrimidine nitrogenous base always pairs with a purine nitrogenous base.
• D)Repulsion between phosphate groups keeps the strands a uniform distance apart.
• E)Attraction between phosphate groups keeps the strands a uniform distance apart.

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