Animal and plant cells have cell membranes.

动物和植物细胞都具有细胞膜。

Cell membranes allow for diffusion of certain molecules.

细胞膜允许某些分子扩散。

Inside the cell membrane, cells have smaller parts called organelles.

在细胞膜内，有着较小的细胞器。

Both plant cells and animal cells are surrounded by a cell membrane.

动植物的细胞都是被一层细胞膜包裹。

Solubility is important because your cell membranes are made of lipids.

溶解性很重要，因为细胞膜是由脂质组成的。

The cell membrane pinches to separate the two sets of chromatids into two cells.

细胞膜挤压将两组染色单体分离成两个细胞。

Repeated sickling of red blood cells damages their cell membranes and promotes premature destruction.

反复镰变会损伤红细胞膜，使其过早破坏。

The cell membrane is covered with tiny projections.

细胞膜上覆盖著微小的突起物。

When it gets there, the bubble surrounding the antibody fuses to the cell membrane.

当抗体到达后，抗体周围的气泡会融入细胞膜。

The exchange of materials occurs between cells and their environment across the cell membrane.

物质交换穿过细胞膜发生在细胞与其环境之间。