M9 CELL MEMBRANE STRUCTURE AND FUNCTION Flashcards
1
Q
Between the living machinery of the inner cell and the harsh condition of the outside world stands the cells ___________
A
Plasma Membrane
2
Q
as crucial as this barrier is surprisingly __________, push it and watch it move, poke hard enough and it might break and begin to regroup.
A
Flexible
3
Q
- The molecules of the membrane naturally assembled in a _______________
A
Double Layer
4
Q
- within these living molecules we also find different _______________ which do various things for the cell
A
Proteins
5
Q
- because their tails _________________as their heads attracted
A
Repel Water
6
Q
- throw in some ________________ and a few carbohydrates and you have the basic structure of a plasma membrane
A
Cholesterol
7
Q
- for instance they receive _____________ from the world outside where they transport nutrients and waste
A
Signals
8
Q
- so nature composes the membrane with the combination or __________________of different lipids carbohydrates and proteins
A
Mosiac
9
Q
- and these molecules are ___________________ and they constantly move within the structure would like changing their positions.
A
Not Stationary
10
Q
- The survival of all life rest at this veil of material supple membrane just _____________thick.
A
Two molecule
11
Q
Is also known as the plasma membrane
A
Cell Membrane
12
Q
Is a thin semi-permeable membrane that surrounds the cytoplasm of a cell.
A
Cell Membrane
13
Q
Made up of 2 layers of phospholipids
A
Lipid Bilayer
14
Q
- Serves as a barrier that protects the cell from the extracellular environment.
- Maintains balance in the interior of the cell by allowing certain substances into the cell while keeping other substances out.
- For cell-to-cell communication
- For structural support and help maintain its shape.
A
Cell Membrane
15
Q
2 parts of Lipid Bilayer
A
- hydrophilic Head
- Hydrophobic Tails
