Multiple Choice
Which term describes bacteria that die in the presence of oxygen?
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1. Introduction to Microbiology
Introduction to Bacteria
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Which term best describes an organism whose cells do not have an enclosed nucleus, such as bacteria?
A
Eukaryote
B
Archaea
C
Prokaryote
D
Virus
Verified step by step guidance1
Understand the key characteristic of the organism described: its cells do not have an enclosed nucleus.
Recall that organisms with cells lacking a true nucleus are classified as prokaryotes, which include bacteria and archaea.
Differentiate between the options: 'Eukaryote' refers to organisms with cells that have a true nucleus; 'Archaea' is a domain of prokaryotes but more specific than the general term; 'Virus' is not a cellular organism and lacks cellular structure.
Identify that the best general term for organisms like bacteria, which lack a nucleus, is 'Prokaryote'.
Conclude that 'Prokaryote' is the correct term to describe organisms whose cells do not have an enclosed nucleus.
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