Microstomum

例句：

1. 1. In the study of cell division, scientists have discovered that microtubules play a crucial role in guiding the movement of chromosomes during mitosis.
   在细胞分裂的研究中，科学家们发现微管在指导染色体在有丝分裂过程中移动方面起着至关重要的作用。
2. 2. The discovery of this protein has opened up new possibilities for understanding how cells respond to changes in their environment.
   这种蛋白质的发现为理解细胞如何响应环境变化提供了新的可能性。
3. 3. Microtubules are also known as "the workhorses of the cell" because they are responsible for holding together thecytoskeleton, which is the backbone of the cell.
   微管也被称为“细胞的工作机器”，因为它们负责保持细胞骨架的完整性，这是细胞的骨架。