Cell Membranes Flashcards
1
Q
What is the basic unit of life?
A
Cells
2
Q
What are many intracellular structures composed of?
A
The same membrane
3
Q
Major component of cell membrane
A
Phospholipid bilayer
4
Q
What is cholesterol composed of?
A
Hydrocarbon rings/tails and one -OH group
5
Q
What does cholesterol increase?
A
Membrane fluidity
6
Q
What does cholesterol prevent?
A
Membrane lipid crystallization
7
Q
What are glycolipids made of?
A
polysaccharide, glycerol, and fatty acid tails
8
Q
Function of glycolipids
A
Interact with extracellular matrix
9
Q
Name of protein embedded within membrane
A
Integral protein
10
Q
What’s on the end of a protein
A
Hydrophilic amino acid R-groups amino acid R-groups
11
Q
What’s in the middle of a protein
A
Hydrophobic amino acid R- group
12
Q
Peripheral protein
A
Stuck outside or inside a cell
