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Title: CELLS - Structure,Organization and Regulation of Cells
Description: IB/A Level Biology 2nd year level expert detailed notes on Cell structure, function, organization and regulation. Very helpful for both detailed notes if student has time and comprehensive summary if skimmed over.
Description: IB/A Level Biology 2nd year level expert detailed notes on Cell structure, function, organization and regulation. Very helpful for both detailed notes if student has time and comprehensive summary if skimmed over.
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Cells
Organization and Regulation
Cell Types
Prokaryotic: generally have a plasma membrane, a single DNA molecule not coupled with
protein molecules, small ribosomes, cytoplasm and a cell wall
...
If they possess flagella, they are
different from the eukaryotic flagella and cilia
...
Prokaryotes have
much simpler structure than eukaryotes
...
Membrane
Encloses the material in the cell and regulates the passage of material into the cell from the
surrounding environment
A
...
The polar, hydrophilic end lies on the outside of the bilayer, nonpolar,
hydrophobic end lies on the inside
...
Membrane
Types of proteins:
1
...
3
...
Channel(transmembrane)proteins: provide for the passage of certain water soluble
substances across the membrane
Electron transfer proteins: transfer electrons from one molecule to another
Receptor proteins: sites that act as receptors for trigger molecules that cause a cell
response within the cell
Transport proteins: use energy from ATP to transfer materials across the membrane in a
process called active transport
Membrane
B
...
2
...
4
...
6
...
8
...
B
...
D
...
F
...
Rough ER is site where ribosomes make proteins for use in cell and for export
from cell with the aid of various RNAs
...
Flagella: Longer than cilia but of the same material, aid cell in movement with a wave like motion
H
...
Lysosomes: contain digestive enzymes that metabolize structures for the cell and even the cell itself
J
Title: CELLS - Structure,Organization and Regulation of Cells
Description: IB/A Level Biology 2nd year level expert detailed notes on Cell structure, function, organization and regulation. Very helpful for both detailed notes if student has time and comprehensive summary if skimmed over.
Description: IB/A Level Biology 2nd year level expert detailed notes on Cell structure, function, organization and regulation. Very helpful for both detailed notes if student has time and comprehensive summary if skimmed over.