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Of the Three Key Building Blocks of DNA,which Type(s)of Building

Question 14

Multiple Choice

Of the three key building blocks of DNA,which type(s) of building block is/are negatively charged and oriented on the outside of the double helical structure?


A) phosphate
B) deoxyribose
C) nitrogenous bases
D) both phosphate and nitrogenous bases
E) All of the answer options are correct.

Correct Answer:

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