Animal and plant cells have cell membranes.

动物和植物都具有膜。

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

当抗到达后，抗周围气泡会融入膜。

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

膜挤压将两组染色单分离成两个。

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

动植物都是被一膜包裹。

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

反复镰变会损伤红膜，使其早破坏。

Both of these are called diffusible because they're small enough to diffuse across cell membranes.

这两者都被称作可扩散钙，因为它们足够小，可以穿膜完成扩散。

Cell membranes allow for diffusion of certain molecules.

膜允许某些分子扩散。

But they also have another kind of complex protein on the outside of the cell membrane.

但在膜外，它们拥有另一种复杂蛋白质。

They do so by recognizing the foreign proteins, or antigens, embedded in an intruder's cell membrane.

通识别嵌于入侵膜中蛋白质和抗原。

One portion of the molecule recognises a protein on the cell's membrane, and links to it.

响尾蛇蛋白分子一部分能识别膜，并依附其上。

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

物质交换穿膜发生在与其环境之间。

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

在膜内，有着较小器。

But other enzymes are actually bound to cell membranes in the intestinal mucosal layer, and they're reusable.

但是其他酶实际上与肠粘膜膜结合，它们是可重复使用。

Now, calcium gets into the cell through two types of channels, or cell doors, within the cell membrane.

钙离子通在膜上两类通道，或者说是入口，进入。

The cell membrane is covered with tiny projections.

膜上覆盖著微小突起物。

These curious beasts, are cell fragments rather than complete cells -- though they are still surrounded by cell membranes.

这些不寻常“野兽”是碎片，而不是完整--尽管它们仍然被膜包裹着。

Animal Cells A typical animal cell will include the nucleus, a cell membrane and a cell cytoplasm.

动物一个典型动物包括核、膜和质。

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

溶解性很重要，因为膜是由脂质组成。

Okay, so as a quick recap: the protein dystrophin is super important for stabilizing the muscle cell membrane.

抗肌萎缩蛋白对肌纤维稳定性维持极其重要。

Now, certain catecholamines can shift potassium movement into cells via the beta-2-adrenergic and alpha-adrenergic receptors on cell membranes.

某些儿茶酚胺能通膜上beta-2-和alpha-肾上腺素能受将钾移入。