2.1.5 - biological membranes

Question 1

functions of the cell membrane

Answer 1

separates cell components from external
regulates transport of substances in and out of the cell
has antigens so the organism’s immune system recognizes it as its own
release chemicals as signals and contains receptors for these signals

Question 2

what is compartmentalisation

Answer 2

the formation of membrane bound areas in a cell. It is vital for cells as metabolic reactions include many different and often incompatible reactions