問題詳情

4. Which description is NOT correct?
(A) A nucleic acid consists of four kinds of bases linked to a sugar–phosphatebackbone.
(B) A pair of nucleic acid strands with complementary sequences can form adouble-helical structure.
(C) DNA is a structurally rigid molecule that only exist in a specific helical form.
(D) Double-stranded DNA can wrap around itself to form a supercoiled structure.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增