ข้อสอบสารชีวโมเลกุล

1 http://www.dek-d.com/board/view.php?id=1800365
2 http://www.trueplookpanya.com/true/examination_display.php?exam_id=247
3 http://202.44.68.33/library/exam/intro/class4.htm
4 http://www.proprofs.com/quiz-school/story.php?title=sasasasa_520