[Cell Structure Notes]


PROKARYOTE CELL STRUCTURE


Ribosome: Sites of protein synthesis (scattered throughout cytoplasm rather than in rER)

Mesosome:

Slime capsule: Layer of thick, jellylike sugars surrounding some prokaryote cells to aid in protection.

Cell wall: Rigid to semirigid wall surrounding plasma membrane. Contains pores to allow passage of materials in & out of cell. The cell wall supports cell and provides shape.

Flagellum: One to many threadlike motile structures (locomotion)

Cell surface membrane:

Plasmid: Small, circular molecule of extra DNA within some prokaryote cells. Contains a few genes & replicates separately from bacterial chromosome.

Naked Nucleic acid: The DNA within the prokaryote cell is not wrapped around proteins to help shorten it. The DNA is by itself and so is considered "naked".


 

 

Long & Slichter