Plasma Membrane (Exam 1) Flashcards
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0
Q
Lipids
A
40-50%
Phospholipids- lipid bilayer
Cholesterol- interspersed between phospholipids, prevents fatty acids from sticking together, maintains fluidity of the membrane
1
Q
General characteristics
A
Outermost component of a cell
Responsible for the ability of a cell to connect, recognize, and communicate with each other
Inside-intracellular
Outside-extra cellular
2
Q
Proteins
A
45-50%
Suspended within the membrane
3
Q
Integral protein
A
Inserted all the way through the membrane, can communicate with ICF and ECF at the same time
4
Q
Peripheral protein
A
Attached to either the inner or the outer surface of the membrane
5
Q
Functions of proteins
A
Attachment sites
Ion channels
Receptor molecules
Marker molecules
6
Q
Carbohydrates
A
CHO+lipid= glycolipid CHO+protein= glycoprotein
