广播电视英语短句 第 214 课：植物如何使用水-4

Mr. Schroeder believes the enzymes could be changed in some plants to increase their ability to store water. Schroeder 先生相信酶能够在一些植物中发生变化以提高它们储存水分的能力。

The researchers added carbonic and hydras genes to plants that do not reacts to higher levels of carbon dioxide. 研究者们把碳水化酶基因加入到对高浓度二氧化碳没有反应的植物中。

They observe that for every molecule of carbon dioxide take in by plants; they lose forty four percent less water. 他们观察每一个二氧化碳分子被植物吸收的情况。它们损失了却 4% 的水分。

The scientists say the photosynthesis process continue normally in these plants. 科学家们说光合作用在这些植物中进行正常。