N5S3 - Cell Membrane and Cell Wall - 1.2 Flashcards
1
Q
What is the CELL WALL made out of in plant cells?
A
Cellulose (a structural carbohydrate) - glucose molecules joined together.
2
Q
Is the CELL WALL freely permeable or selectivly permeable?
A
It is freely permeable.
3
Q
Is the Cell Membrane freely permeable or selectivley permeable?
A
Selectivley Permeable
4
Q
What is the Cell Membrane made out of?
A
Phospholipids and Proteins
5
Q
All cells are enclosed by…
A
…a cell membrane
6
Q
What type of layer do the phospholipids form?
A
The phospholipids form a bilayer - two layers of lipid molecules.
7
Q
What is a phospholipid made up of?
A
A glycerol molecule, two fatty acids and a phosphate group.
