[单选题]RNA also has some structure. These include all of the following except:2yT答案窝(daanwo.com)-大学生作业答案及考资分享平台
A、Hairpin turns2yT答案窝(daanwo.com)-大学生作业答案及考资分享平台
B、Internal loops and bulges2yT答案窝(daanwo.com)-大学生作业答案及考资分享平台
C、beta-helix2yT答案窝(daanwo.com)-大学生作业答案及考资分享平台
D、Right-handed double helix2yT答案窝(daanwo.com)-大学生作业答案及考资分享平台
E、Cloverleaf structure2yT答案窝(daanwo.com)-大学生作业答案及考资分享平台