試卷名稱:103年 - 103 國立台灣大學_碩士班招生考試試題:基礎分子生物學#127979
年份:103年
科目:研究所、轉學考(插大)◆基礎分子生物學
3. Below is an electron micrograph of a gene that is being transcribed. The DNA strand runs horizontally with RNA transcripts extending vertically outward.

What is the direction of movement of RNA polymerases along the length of DNA strand?
(A) Upward
(B) Downward
(C) Rightward
(D) Leftward
(E) Can't be determined