Role Of Membrane And Location

Question 1

What are the 4 general roles of the membrane?

Answer 1

1. Compartmentalisaton
2. Sites of chemical reactions
3. Sites of cell communication
4. Involved in cell adhesion

Question 2

Why is compartmentslisation useful?

Answer 2

Allows for separate parts of the cell to maintain individual undisturbed cellular conditions.

Question 3

Where are membranes found?

Answer 3

Around prokayotic and eukaryotic cells.
Around organelles.
Around vesicles.

Question 4

What are the functions of the membrane at the cell surface?

Answer 4

1. Leo cells cintents toegther and separate
2. Communication between cells by protein receptors
3. Allow body to determine foreign and self via antigen detection
4. Control the movement of substances

Question 5

What are the functions of the membrane within a cell?

Answer 5

1. Isolate the nucleus
2. Sperste organelle components
3. Allow internal transport
4. Prevent disruption of reactions and pathways
5. Allow attachment of ribosome

Question 6

What happens to the membrane at high temperatures?

Answer 6

Membrane Structure loses integrity.

Permeability increases.