Multiple Choice
Which domains contain prokaryotes?
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26. Prokaryotes
Introduction to Prokaryotes
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Which of the three domains contain prokaryotic organisms?
A
Eukarya only
B
Archaea and Eukarya
C
Bacteria and Archaea
D
Bacteria and Eukarya
Verified step by step guidance1
Understand the concept of domains: In biology, life is categorized into three domains: Bacteria, Archaea, and Eukarya. These domains represent the highest level of classification.
Define prokaryotic organisms: Prokaryotes are organisms that lack a nucleus and membrane-bound organelles. They are generally unicellular and include bacteria and archaea.
Identify which domains contain prokaryotic organisms: Bacteria and Archaea are the two domains that consist of prokaryotic organisms. Eukarya consists of eukaryotic organisms, which have a nucleus and membrane-bound organelles.
Review the characteristics of each domain: Bacteria are known for their diverse metabolic capabilities and can be found in various environments. Archaea often inhabit extreme environments and have unique biochemical pathways. Eukarya includes organisms like plants, animals, and fungi, which have complex cellular structures.
Confirm the correct answer: Based on the definitions and characteristics, the domains that contain prokaryotic organisms are Bacteria and Archaea.
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