Multiple Choice
Which group of organisms is best described as unicellular prokaryotes that live in extreme environments?
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1. Introduction to Microbiology
Introduction to Archaea
Multiple Choice
Which of the following best describes the cellular organization of Archaea?
A
Archaea can be both unicellular and multicellular.
B
Archaea are exclusively multicellular organisms.
C
Archaea are acellular entities.
D
Archaea are exclusively unicellular organisms.
Verified step by step guidance1
Understand the basic cellular organization of Archaea by reviewing their classification and characteristics in microbiology.
Recall that Archaea are prokaryotic microorganisms, meaning they lack a nucleus and membrane-bound organelles, which typically correlates with unicellularity.
Consider the known forms of Archaea: they are predominantly unicellular organisms, unlike some bacteria or eukaryotes that can be multicellular.
Evaluate the options given: 'Archaea can be both unicellular and multicellular' and 'Archaea are exclusively multicellular' are inconsistent with current scientific understanding.
Conclude that the best description is that Archaea are exclusively unicellular organisms, as they do not form multicellular structures and are not acellular entities like viruses.
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