問題詳情

70. Most cellular DNAs are supercoiled. What is the relation between writing number(Wr), linking number (Lk) and twist number (Tw)?
(A) Lk=Tw+Wr
(B) Lk=Tw-Wr
(C) Lk=Wr-Tw
(D) Tw=Lk+Wr

參考答案