Flashcards in Structure Of Plasma Membrane Deck (17):
Fluid mosaic model
The arrangement of molecules within the membrane resembles a sea of lipids containing many types of proteins
Act as a barrier to certain substances
"Gatekeepers" to certain molecules and ions
Security guard to the cell club
Another name: cell
Flexible yet sturdy: fluid inside and out
How many macromolecules in any living thing?
Nucleic acid: dna
Blue balls: phosphate
Red tails: fatty acids
Also called transmembrane proteins
Goes all the way through: inside and outside
Some are ion channels (charged and electricity)
On the outside
Jellylike fluid inside cell
Holds phospholipid bilayer together
Specific molecule that binds w a receptor
Catalyze chemical reactions
What opens an ion channel
What opens a ligand channel
Are all enzymes proteins?
Yes. But not all proteins are enzymes.