Zusammenfassung der Ressource
Cell membrane
- Plasma (cell) membrane
- surrounds the cell and controls what materials
move into and out of the cell
- Nucleus
- controls the cell's activities
- Cytoplasm:
- cytosol (fluid between the membrane & nucleus)
organelles (machinery, structures that perform
specific cell functions
- Functions
- Marks the boundary of the
cell
- Provides shape and
support
- Controls entry & exit of
materials
- Identifies cell as yours
(glycoprotein markers)
- provides receptor sites for chemical
messages (eg hormones)
- has some enzymes -
facilitate chemical reactions
- Made up of two layers of lipids (phospholipids) in
which proteins and small amounts of cholesterol
float