第2题
It can be inferred from the passage that the morphogenetic determinants present in the early embryo are
a) located in the nucleus of the embryo cells
b) evenly distributed unless the embryo is not developing normally
c) inactive until the embryo cells become irreversibly committed to their final function
d) identical to those that were already present in the unfertilized egg
e) present in larger quantities than is necessary for the development of a single individual
answer: E
3. the main topic of the passage is
a)
b) The main contribution of modern embryology to molecular biologyy
c)
d) cell determination as an issue in the study of embryonic development.
e)
answer: D
My choice is B.
不清楚到底是把cell的研究用到embryo的上，还是embryo的用到molecule上．
6. It can be inferred from the passage that which of the following is dependent on the fertilization of an egg.
The answer is B: sunthesis of proteins called histones.
好象文章中说到的histones和这个没关系啊．
9. Which of the following circumstances is most comparable to the impasse biologists encountered in trying to resolve the debate about cell determination ?
the answer is D: The predicament of a linguist trying to develop a theory of language acquisition when knowledge of the structure of language itself is rudimentary at best
找不出共同点啊．．．
今天做了这片阅读错了好多哦，上一篇生化题没咋看懂都做的很好，这个还感觉看的很懂了．
为什么会这样啊？哪位牛牛救救偶呀？先谢过． | 
