Cells and cell structure
. All living things are made up of cells.
. The structure of these cells can differ and some cells may be specilised to a pirticullar function.
. To get in or out of these cells, dissolved substances have to cross the cell membrane.
a) Most human and animal cells have a:
. necleus (controls the activities)
. cytoplasm (controlls the chemical reactions, within the cell ONLY)
. cell membrane controls the passage of dissolved substances in or out of the cell.
. mitrochondria (releases energy through respiration)
. ribosomes (where protein synthesis occurs)
Cells and cell structure (2)
b) Plants and agal cells have:
. cell wall (holds the cell together giving the plant its turgid form. ONLY found in plant and agal cells, not HUMAN)
. chloroplast (asorbs light energy and turns into food. ONLY found in plant and agal cells)
c) Bacteria cells have:
. Cell wall
Cells and cell structure (3)
d) Yeast ( a singled celled organism) cells have:
. cell wall
Cells and cell structure (4)