Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike ...

Like a mosaic, the cell membrane is a complex structure made up of many different parts, such as proteins, phospholipids, and cholesterol. The relative amounts of these components vary from ...

2. Describe the components of plant cells and their functions. Most animal cells possess a nucleus, cell membrane, cytoplasm and mitochondria. The nucleus contains the genetic material (DNA ...

An animal cell is made of three main parts a nucleus, cell membrane and cytoplasm, which holds the rest of its critical components. And it's so small you could actually fit 100 animal cells across ...