2007-11-17 09:10:01 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Biology
Firstly, to carry out respiration. This is the release of energy via the mitochondria.
Secondly to excrete break down products made inside the cell.
Thirdly to maintain the osmotic and electrical homoeostasis of the cells with respect to its surroundings.
2007-11-17 09:27:03 · answer #1 · answered by beech7wood2000 3 · 1⤊ 0⤋
In order for them to get into the cell. Some of these various substances mantain the electrical charge along cell membranes, especiall sodium (Na) and potassium (K). Others provide the "stuff" the cell needs in order for it to function properly and to produce energy.
2007-11-17 09:18:50 · answer #2 · answered by Richard B 7 · 0⤊ 0⤋
To get to the other side? I have no clue what you are asking.
2007-11-17 09:26:22 · answer #3 · answered by ? 2 · 0⤊ 0⤋