Within the nucleus is still another tiny globule of matter called the nucleolus, ____ is related to reproduction.
举一反三
- Scientists now know that matter and energy are very closely related to（）. A: oneself B: themselves C: each other D: one another
- cellmembrane中文___activetransport中文___ionchannel中文___nucleus中文___chromosome中文___chromatin中文___euchromatin中文___nuclearpore中文___nucleolus中文___endomembranesystem中文___
- Most of the atomic mass(质量) is concentrated in the nucleus, which explains why the nucleus is almost stationary within the atom, while the much lighter electron revolves round it.
- Cell organelles are located within the ____ of the cell. A: nucleus B: cytoplasm C: Cell membrane D: lysosomes
- All the sentences in a paragraph need to be related to the topic sentence, and they need to be logically related to one another, too.