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BBC
3 年
How to make a model animal and plant cell
Mitochondria close mitochondriaTiny parts of cells floating in the cytoplasm where energy is released from glucose. The glucose comes from food. This is how you make a model plant cell.
NASA
18 小时
Amendment 76: E.9 Space Biology: Research Studies Draft Text Released
When it is solicited, the research emphases of E.9 Space Biology: Research Studies will fall under two broad categories: ...
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