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9 Cards in this Set

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  • Back
all life on earth falls into 3 Domains:
1) Bacteria
2) Eukarya
3) Archaea
do not have a nucleus or any membrane bound organelles
Prokaryotes
- type of Prokaryote
- some cause disease, some helpful, some mind their own business
Bacteria
- type of Prokaryote
- single celled organisms that look like bacteria but not even a little related; none disease causing and many live in extreme environments
Archaea
3 characteristics of Prokaryotes:
1) Nucleoid (one circular chromosome knotted up in cell center)
2) Haploid (only one gene copy)
3) Plasmids (extra circular DNA)
has a nucleus and other membrane bound organelles
- DNA chromosomes _________
- diploid
Eukaryotes; Linear
3 types of Eukaryotes:
1) Fungi
2) Protozoa
3) Algae
nucleic acid surrounded by protein coat
Virus
naked RNA that is infectious (no protein coat)
Viroid