| 1. | These cells never regained their chloroplasts .
这些细胞再也不能重获叶绿体。
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| 2. | Mrnas could cross the chloroplast envelope in vivo .
在体内mRNA能穿过叶绿体外膜。
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| 3. | The chloroplast envelope has the light yellow color of violaxanthin .
叶绿体的套膜有紫黄质的淡黄色。
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| 4. | Amino transferases are located in the cytoplasm, chloroplasts and microbodies .
氨基转移酶分布在细胞质、叶绿体和微体中。
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| 5. | The damaged chloroplasts require the addition of atp to fuel protein synthesis .
已破坏的叶绿体需要加入ATP以提供合成蛋白质的能量。
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| 6. | The nucleus of the bleached cell was unable to direct the synthesis of new chloroplasts .
这种漂白的细胞核不能直接合成新的叶绿体。
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| 7. | Envelope isolated from illuminated chloroplasts had much more orange zeaxanthin .
从照光的叶绿体分离出来的套膜有很多橙色的玉米质。
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| 8. | A brief review of chloroplast structure is useful before discussing these experiments .
在讨论这些试验以前，对叶绿体结构作一简短的概述是有益的。
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| 9. | The outer of the two membranes around a chloroplast could be regarded as the host exclusion membranes .
围着叶绿体的外面两层膜，可以看作寄主排斥的膜。
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| 10. | The chloroplast is not a static organelle within the cell but can change shape as well as move .
在细胞中，叶绿体并不是静止不变的细胞器，而是能改变其形状和运动。
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