Multiple Choice
The short, numerous appendages used by some bacterial cells for adhering to surfaces are called:
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1. Introduction to Microbiology
Introduction to Bacteria
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All prokaryotes are in the domain ________.
A
Bacteria only
B
Protista
C
Eukarya
D
Bacteria and Archaea
Verified step by step guidance1
Understand the classification system of life domains, which divides all living organisms into three domains: Bacteria, Archaea, and Eukarya.
Recall that prokaryotes are organisms that lack a membrane-bound nucleus, distinguishing them from eukaryotes.
Recognize that both Bacteria and Archaea are prokaryotic domains, meaning all prokaryotes belong to either the domain Bacteria or the domain Archaea.
Note that Protista and Eukarya are domains that include eukaryotic organisms, which have membrane-bound nuclei, so they do not include prokaryotes.
Conclude that the correct answer must include both Bacteria and Archaea, as these two domains encompass all prokaryotic life forms.
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