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（请给出正确答案）
The books by the three writers were popular because
A. they listed good places to stay
B. they told of strange and exotic locales
C. they explained the best routes to get to places
D. all of their stories were firsthand accounts
答案
更多“The books by the three writers were popular becauseA. they listed good places to stayB. th”相关的问题
第3题
A.Gly、Ser、Val
B.Thr、Ser、Tyr
C.Ala、11e、Leu
D.Phe、Thr、Val
E.Tyr、Val、Gly
第4题
请给下列的肽命名。
(已知：甘氨酸―Gly，谷氨酸―Glu，酪氨酸―Tyr，冬氨酸―Ala，苏氨酸―Thr，丝氨酸―Ser)
1、Gly―Tyr―Ala―Glu
2、Thr―Ser―Tyr―Ala
3、Ser―Ala―Tyr―Thr
第7题
第11题
由下列信息求八肽的序列。
(1)酸水解得Ala，Arg，Leu，Met，Phe，Thr，2Val。
(2)Sanger试剂处理得DNP—Ala。
(3)胰蛋白酶处理得Ala，Arg，Thr和Leu，Met，Phe，2Val。当以Sanger试剂处理时分别得到DNP—Ala和DNP—Val。
(4)溴化氰处理得Ala，Arg，高丝氨酸内酯，Thr，2Val,和Leu，Phe，当用Sanger试剂处理时，分别得DNP—Ala和DNP—Lcu。
