ข้อสอบสารชีวโมเลกุล

http://www.vcharkarn.com/exam/index.php/set/794
http://202.44.68.33/library/exam/intro/class4.htm
http://gotoknow.org/blog/kroonit/157040
http://www.sahavicha.com/?name=test&file=readtest&id=279
http://school.obec.go.th/mclschool/6.2.2/L2.htm