| 单词 | gene gun |
| 释义 | > as lemmasgene gun gene gun n. a device which propels tiny metal beads coated with DNA into tissues, in order to introduce genes into cells. ΚΠ 1987 N.Y. Times 26 May c3/1 The Cornell gene gun is based on a gunpowder-operated tool used by builders to hurl nails into concrete walls. 1997 Agric. Res. Jan. 11/1 Delivered by the sapphire-tipped gene gun,..the DNA dissolved in salt water is atomized into fine droplets that find their way into the cells. 2002 Chicago Tribune (Midwest ed.) 21 Apr. i. 16/2 To develop the grasses, scientists..use a gene gun to shoot plant DNA into a tissue of grass. < as lemmas |
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