All cells have an outer plasma membrane that regulates ... control the exchange of essential cell components. Both types of membranes have a specialized structure that facilitates their ...

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 ...

Nucleus, cell membrane, cytoplasm and mitochondria are four cell components that are found ... Plant cells have a rigid cell structure. They are made up of a cell wall, cell membrane, cytoplasm ...

Cell structure Description Function Cell type Cell wall Freely permeable layer surrounding cell membrane. The cell wall of plant cells is made from cellulose. This gives them a rigid structure.

Electron microscopy images reveal crucial structures and mechanisms within the molecular machinery that certain bacteria use ...

Water-filled vacuoles provide the inner pressure plant cells need for structural support. However, damage to the plant’s cell wall risks vacuole rupture and cell death. The Dagdas group at the Gregor ...

Researchers use cryo-electron microscopy to reveal how sodium ions power bacterial flagellar motors, providing insights for ...