您要查找的是不是：
- Previously, four essential genes and a portion of fosfomycin's biosynthetic pathway had been proposed, but researchers were unable to produce fosfomycin in a non-native host. 之前的研究只是提出4个必需基因和一部分磷霉素生物合成途径，但是不能在非天然宿主体内制备磷霉素。
- Her most essential quality is kindness. 她最主要的品质是善良。
- lethal locus 致死(基因)座位
- Surprise is an essential component of my plan. 我这项计划主要就是想使大家惊喜一下。
- Rice is our essential foodstuff in life. 大米是我们生活的基本食物。
- National unity is essential in time of war. 举国团结在战时是非常重要的。
- A locus is the 'location'of a gene along a chromosome. 位点是基因在染色体的位置。
- What is the essential theme of the play? 这剧本的主题是什麽?
- A locus is the "location" of a gene along a chromosome. 位点是基因在染色体的位置。
- Limit your expenditure to what is essential. 你要把开销限制在必要的范围内。
- It is essential that he get up early. 他有必要早起。
- Get a hustle on to stockpile these essential material. 赶快把这些重要材料贮放起来。
- Mass education is essential in promoting democracy. 民众教育对提倡民主是非常重要的。
- It is essential to balance one's budget. 量入为出是很重要的。
- Mutual understanding is essential to friendship. 相互理解对友谊至关重要。
- Articulate speech is essential for a teacher. 对教师来说,口齿清楚是必不可少的。
- Car bombs have become essential terrorist weapons. 汽车炸弹已经成为恐怖分子主要的武器。
- Impartiality is essential to a judge. 公平是当法官所必需的。
- Preventive measures are essential. 预防手段是必要的。
- Having the same alleles at a particular gene locus on homologous chromosomes. 纯合的在同源染色体上某一特定基因座有相同等位基因的
