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1490418
Prokaryotes
Description
Mind Map on Prokaryotes, created by NurAmalina Samat on 19/10/2014.
Mind Map by
NurAmalina Samat
, updated more than 1 year ago
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Created by
NurAmalina Samat
about 10 years ago
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Resource summary
Prokaryotes
Two domains
Bacteria
Archaea
What are prokaryotes?
A group of organisms that lack a cell nucleus or other membrane bound organelles
Characteristic
Size
0.2 to 2.0 micrometer in diameter & 2 to 8 micrometer in length
Basic shapes
Coccus
Bacillus
Spiral
Arrangement
Diplococci, staphylococci & streptococci
Diplobacilli & streptobacilli
Vibrio, spirillum & spirochetes
Intracellular structures
Plasma membrane
Phospholipid bilayer with proteins embedded in and attached to the inner and outer surfaces
Cytoplasm
substances of the cell inside the plasma membrane
Nuclear area
Single long circular molecule of double-stranded DNA
Ribosomes
Sites of protein synthesis
Inclusions
Reserve deposits
Can serve as a basis of identification
Endospores
Resting structure formed by some bacteria for survival during adverse environmental conditions
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