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Which of the following statements about butterflies is correct?
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5. Cell Components
Prokaryotic & Eukaryotic Cells
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Which two domains consist of organisms whose cells lack a membrane-bound nucleus?
A
Bacteria and Eukarya
B
Bacteria and Archaea
C
Eukarya and Protista
D
Archaea and Eukarya
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Understand the concept of domains in biology: Domains are the highest taxonomic rank in the classification of life. The three domains are Bacteria, Archaea, and Eukarya.
Recall the key difference between prokaryotic and eukaryotic cells: Prokaryotic cells lack a membrane-bound nucleus, while eukaryotic cells have a nucleus enclosed by a membrane.
Identify which domains consist of prokaryotic organisms: Bacteria and Archaea are both prokaryotic, meaning their cells lack a membrane-bound nucleus.
Recognize that Eukarya consists of eukaryotic organisms, which have cells with a membrane-bound nucleus. Protista is a kingdom within the domain Eukarya, so it also consists of eukaryotic organisms.
Conclude that the two domains consisting of organisms whose cells lack a membrane-bound nucleus are Bacteria and Archaea.
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