题目
英语翻译
in sweet peas,the synthesis of purple anthocyanin pig-ment in the petals is controlled by two genes,B ans D .the pathway is
white-------(geneB enzyme)------blue------(gene D enzyme)----anthocyanin(purple)
a.what color perals would you expect in a pure-breeding plant unable to catalyze the first reaction?
b.what color perals would you expect in a pure-breeding plant unable to catalyze the second reaction?
c.if the plants in parts a and b are crossed,what color perals will the F1 plants have?
d.what ratio of purple:blue:white plants would you expect in the F2
in sweet peas,the synthesis of purple anthocyanin pig-ment in the petals is controlled by two genes,B ans D .the pathway is
white-------(geneB enzyme)------blue------(gene D enzyme)----anthocyanin(purple)
a.what color perals would you expect in a pure-breeding plant unable to catalyze the first reaction?
b.what color perals would you expect in a pure-breeding plant unable to catalyze the second reaction?
c.if the plants in parts a and b are crossed,what color perals will the F1 plants have?
d.what ratio of purple:blue:white plants would you expect in the F2
提问时间:2021-03-29
答案
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点
- 1大学物理波动光学杨氏双缝实验
- 2从装满200克浓度为50%的盐水的杯中倒出40克盐水后,再倒入清水将杯加满.搅匀后再倒出40克盐水,然后再倒入清水将杯加满.这样反复三次后,杯中盐水的浓度是_.
- 3卷面分析怎么写
- 4经线和纬线的形状
- 5一个九个格子的方格,将1.3,1.5,1.7,1.9,2.1,2.3,2.5,2.7,2.9填入方格内使得横行,竖行,斜行三个数的和都相
- 6光学显微镜 .能辨认动植物细胞,酵母,根霉,细菌,最少应多少倍?
- 7已知X是整数,并且—3小于X小于4,在数轴上表示X可能取的所有数值
- 8读名句 春色满园关不住,一枝红杏出墙来 千里江陵一日还 猜成语
- 9负二价的硫元素
- 10一杯饮料,小红第一次喝了整杯的1/3,第二次喝了余下的一半,还剩0.2千克,那么,这杯饮料有多少千克?