Chapter 4- Membrane and Structure Function Flashcards
1
Q
Separates the living cytoplasm from non living environment
A
biomembrane
2
Q
Controls movement of material
A
selectively permeable barrier
3
Q
fluid mosaic model -
thing move around the membrane
A
fluid
4
Q
fluid mosaic model-
contains many different types of components
A
mosaic
5
Q
What are membranes composed of?
A
primarily lipids, along with proteins and carbohydrates
6
Q
what state are lipids in?
A
fluid state
7
Q
What saturation are fatty acids mostly?
A
unsaturated
8
Q
What are free to float in the lipid fluid?
A
proteins
9
Q
lipids and proteins are?
A
amphipathic
10
Q
membrane fluidity varies with?
A
temperature
11
Q
having both hydrophilic and hydrophobic parts
A
amphipathic
12
Q
The temp. at which the membrane undergoes fluid to solid phase change
A
Transition Temperature (Tm)
13
Q
melting point or freezing point of membrane
A
Tm
