Multiple Choice
Which cellular structure is the primary target of penicillin in bacterial cells?
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1. Introduction to Microbiology
Members of the Bacterial World
Multiple Choice
Which of the following characteristics is typical of organisms in the domain Bacteria?
A
They are exclusively multicellular organisms.
B
They possess peptidoglycan in their cell walls.
C
Their genetic material is enclosed within a nuclear membrane.
D
They contain membrane-bound organelles such as mitochondria.
Verified step by step guidance1
Understand the three domains of life: Bacteria, Archaea, and Eukarya, and their key distinguishing features.
Recall that organisms in the domain Bacteria are prokaryotes, meaning they lack a true nucleus and membrane-bound organelles.
Identify that a hallmark feature of bacteria is the presence of peptidoglycan in their cell walls, which provides structural support and shape.
Recognize that multicellularity is not typical of bacteria; most are unicellular, unlike many eukaryotes.
Note that genetic material in bacteria is not enclosed within a nuclear membrane, and they do not have organelles like mitochondria, which are characteristic of eukaryotic cells.
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