问题
问答题
用黑藻作为材料观察叶绿体时，选用黑藻的根细胞可以吗？为什么？
答案
不可以。黑藻的根细胞内无叶绿体。
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用黑藻作为材料观察叶绿体时，选用黑藻的根细胞可以吗？为什么？
不可以。黑藻的根细胞内无叶绿体。
My name is Li Ming. I’m thirteen years 1 . I’m from Shandong, 2 . I’m a middle school 3 . I’m in Class 1, Grade 1. I have a friend at school. 4 name is Jim. He is 5 English boy. He is 6 , too. His sister 7 only nine. Her name is Helen. She is a nice 8 . My English teacher is Miss Gao. I think 9 is about(大约) twenty. She is 10 Beijing. She is a good teacher.
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