几种转基因与非转基因食物的差别
- 时间:2013-06-22 22:58:00
- 分类:语文天地
- 阅读:73 次
胡萝卜:非转基因胡萝卜表面凹凸不平,一般不太直,从头部到尾部是从粗到细,且头部是往外凸出来的。转基因胡萝卜表面相对较光滑,一般是直的,它的尾部有时比中间还粗,且头部是往内凹的。胡萝卜只有秋冬季节有,夏季的一般是转基因的。
土豆:非转其因土豆样子比较难看,颜色一般较深,表面坑坑洼洼的,同时表皮颜色不规则,削皮后,表面颜色很快会变深,皮内为白色;转基因土豆表面光滑,坑坑洼洼很浅,颜色比较淡,削皮后,其表面无明显变化。
西红柿:非转基因西红柿成熟以后,捏起来里面是软的,转基因的捏起来发硬;非转基因西红柿不耐储存,转基因的放很久都不腐烂。
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