CELL STRUCTURE AND FUNCTION

Term Paper Title	CELL STRUCTURE AND FUNCTION
# of Words	273
# of Pages (250 words per page double spaced)	1.09

CELL STRUCTURE AND FUNCTION

I.  The cell theory
· All living things are composed of cells
· Cells are the basic unit of structure and function of all living things
· All cells come from the division of preexisting cells
II.  Cell structure
A.  Cell membrane
· Aids in the protection and support of the cell
· Cell membrane is composed of a bilayer of lipids, protein channel, protein molecule, and carbohydrate
chains
B.  Nucleus
· Not all cells have nuclei
· Give instructions
· Contain DNA
1.  Eukaryotic
· Contained in animals and plants
· Nucleus surrounded by 2 membranes called nuclear envelope
2.  Prokaryotic
· No nucleus
· Contained by bacteria
3.  Nucleolus
· Made up of RNA and proteins
· Structure in which ribosomes are made
4.  Chromosomes
· Contain DNA
C.  Cytoplasm
· Area between nucleus and cell membrane
III.  Cytoplasmic Organelles
A.  Mitochondria
· Turns chemical energy into compounds easily used by cells
· Cellular respiration occurs within
B.  Chloroplasts (plants)
· Trap energy ...

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