CELL MEMBRANES STRUCTURES 1 VOCAB Flashcards
Life
The ability to conduct metabolism and reproduce.
Metabolism
The chemical reactions and other processes that enable organisms to take in resources and process them in ways that make growth and reproduction possible.
Organism
A living thing—a being or individual.
Cell
A membrane-bound volume that has metabolic processes occurring inside. The smallest unit of life.
Peripheral membrane protein
A protein found on the inner or outer surface of a cell membrane.
Transmembrane protein
A protein that spans the lipid bilayer of a cell membrane.
Kinetic energy
The energy of motion.
Osmosis
When water moved across the memebrane
Phospholipids
Form the fuild like fabric of the bilayer
Cholesterol
Molecules that are embedded among the tails
1-More Cholesteral= Less fluidity and less permeability
2-Less Cholesteral= More fluidity and more permeability
Amphipathic
Having two different affinities, as a polar end that is attracted to water and a nonpolar end that is repelled by it.