Which of the Following Is True Regarding the Structure of Deoxyribonucleic

question 9

Multiple Choice

Which of the following is true regarding the structure of deoxyribonucleic acid (DNA) ?

• A)The "sides" of the helix are composed of deoxyribose and sulfate groups.
• B)The structure is a double helix.
• C)Regarding the nitrogeneous bases, adenine is always paired with guanine, and cytosine is always paired with thymine.
• D)All of the above.

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