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- Considered above all,we took Conclusion that CTAB was the best method to extract peanut leaf DNA. 虽然改良CTAB法也相对好于SDS法,但由于步骤增加反而加剧DNA降解。
- In leaves,DNA contents increased g radually during the period of physiological differentiation and showed a peak at the later.The ratio of RNA/DNA decreased continously at the same period. 叶片中DNA含量在生理分化期增加并在后期出现高峰,RNA/DNA比值一直下降;
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- I saw him take a leaf out of the book. 我看见他从书上撕下一页。
- The maple leaf is the emblem of Canada. 枫叶是加拿大的象征。
- The trees and shrubs were in full leaf. 那些树和灌木枝叶茂盛。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- DNA fingerprinting can help the police to find the criminals. DNA指纹术有助於警察发现罪犯。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The trees come into leaf in spring. 春天,树木吐芽长叶。
- You should take a leaf out of Tom's book. 你应该学学汤姆。
- A leaf came upon her book as she was reading. 她正读著书,一片树叶落到她的书上。
- The trees are just beginning to leaf. 树刚刚开始长叶子。
- Not a leaf nor an insect stirred. 不单是树叶,连个虫子都不动。
- The giraffe eats tender leaf from the tree highly. 长颈鹿从高高的树上吃掉嫩树叶子。
- The falling leaf spiralled to the ground. 落叶盘旋著飘到了地上。
- The mutant DNA miscoded a single amino acid. 突变体脱氧核糖核酸误编了一个氨基酸密码。
- A leaf or a plant part that evolved from a leaf. 叶,叶原体,叶性器官从叶子发育而成的叶子或植物部分
- Shaped like a sword, as the leaf of an iris. 剑形的,如鸢尾属植物的叶子
- The type set for printing one side of a leaf. 一页版面为在一面印刷的版面设置