实验五 植物细胞液泡系与 细胞骨架的染色与观察 实验四 叶绿体的分离与观察实验四 叶绿体的分离与观察9.4 Isolation and Characterization of Cell Organelles ( 细胞器) Centrifugation can separate many types of oganelles from cell homogenate.9.4 Isolation and Characterization of Cell Organelles ( 细胞器) Centrifugation can separate many types of oganelles from cell homogenate Fractionation ( 细胞组分的分级分离). Centrifugation techniques: (1) Differential centrifugation ( 差速离心) (2) Density-gradient centrifugation ( 密度梯度离心)9.4 Isolation and Characterization of Cell