某一条肽链含有100个氨基酸,则控制这条肽链合成的遗传物质DNA分子中至少应含有的碱 发布时间:2018-11-24 10:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 某一条肽链含有100个氨基酸,则控制这条肽链合成的遗传物质DNA分子中至少应含有的碱基数量是:()A.100个B.200个C.300个D.600个
题型:单项选择题 —_________ do you eat rice? —Three times a day.[ ]A. How many B. How much C. How often D. How 查看答案