| 1. | Materials are compartmentalized within cells .
物质在细胞内是分室化的。 |
| 2. | The sarcoplasmic reticulum is a system of intracellular membranes .
肌浆网属于细胞内膜系统。 |
| 3. | The reactions may be extracellular or intracellular .
这些反应可以发生在细胞外，也可以发生在细胞内。 |
| 4. | Many of the cellular biosynthetic pathways were first elucidated .
首次阐明了许多细胞内生物合成的途径。 |
| 5. | Within the epidermis develops a ring of parenchyma cells, the cortex .
在表皮细胞内有一个质壁细胞环，即皮层。 |
| 6. | Outward currents therefore increase electronegativity in the cell interior .
外向电流因此能增加细胞内的负电性。 |
| 7. | In order to fuse, intracellular vesicles have to move within the cell .
为了融合，细胞内的囊泡必须在细胞内运动。 |
| 8. | Some sea animals accumulate elements like vanadium and iodine within their cells .
某些海洋动物在其细胞内积累象钒和碘一类元素。 |
| 9. | Animal viruses generally are phagocytosed and gain entry to host cells from vacuoles .
动物病毒则一般是吞噬后从空泡进入宿主细胞内。 |
| 10. | Membranes also provide structural support and act to anchor intracellular structures .
膜还提供结构的支持，对细胞内的结构起固定作用。 |
