皮皮学，免费搜题
登录
搜题
【简答题】
下图是有关真核细胞内遗传信息表达的过程。根据图回答： (1)图1为细胞内某多肽合成过程小意图(甲表示甲硫氨酸，丙表示丙氨酸)，其中①是____________，其作用是_________；化学键②的结构是__________；图中丙氨酸的密码子是__________。 (2)图2是某高等动物细胞内通过一系列酶，将原料合成它所需要的氨基酸C，该氨基酸是细胞正常生活所必需的，但食物中没有。该图表明，基因可通过控制__________进而控制生物体的性状。基因B和基因C的表达与基因A的表达_________(有/无)关。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Along with the letter was his wish _______ he would visit me this coming vacation. [ ]
A.
which
B.
that
C.
what
D.
whether
【单选题】Parents and students are now relying less on taking out loans and more on grants, scholarships and their own income and savings, according to a new report from Sallie Mae. 'Over the last few years the...
A.
Apart from
B.
Instead of
C.
Regardless of
D.
Because of
【单选题】某企业在年初用银行存款支付本年租金120 000元,于1月末仅将其中的10 000元计入本月费用,这符合()。
A.
收付实现制原则
B.
权责发生制原则
C.
谨慎性原则
D.
历史成本计价原则
【单选题】某企业现在将 1 000 元存入银行,年利率为8%,复利计算,5 年后企业可以从银行取出( )元。
A.
1 400
B.
1452.6
C.
1 469
D.
1 685.1
【简答题】Families in China attach great importance to the education of their children. My parents think that they should work hard to ensure their children will get a good education. They are willing to spend ...
【简答题】Now parents are 花费 more and more on their Children,s education.
【单选题】Parents are now more likely to give their children unique names, rather than_______ones.
A.
popular
B.
normal
C.
usual
D.
standard
【单选题】Pushy parents are _____ new, but now parents seem to push their children a lot more.
A.
something
B.
nothing
C.
anything
D.
everything
【单选题】Parents today are more nervous about their kids’ safety than previous generations because________.
A.
there are now fewer children in the family
B.
the number of traffic accidents has been increasing
C.
their fear is amplified by media exposure of crime
D.
crime rates have been on the rise over the years
相关题目：
参考解析：
知识点：
题目纠错 0
发布
