 | Absorption of
substances into the cell
|
| Excretion of
wastes and/or Secretion
of useful substances from the cell.
|
| Metabolism
 | Catabolism -- breakdown reactions that
produce energy |
| Anabolism -- synthetic reactions that
consume energy |
|
| Growth of the
cell.
|
| Reproduction by
mitosis
or meiosis.
|
| Excitability -
the ability to react to a stimulus.
|
| Conduction - the
ability to conduct an impusle from one part of the cell to
another.
|
| Contraction -
the ability to shorten the cell in some direction
when it is stimulated. |
