Multiple Choice
Which factor is primarily responsible for the virulence of Vibrio cholerae?
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1. Introduction to Microbiology
Members of the Bacterial World
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Which of the following groups is considered acellular?
A
Algae
B
Helminths
C
Bacteria
D
Viruses
Verified step by step guidance1
Understand the term 'acellular': In microbiology, 'acellular' refers to entities that do not consist of cells. This is a key concept when distinguishing between different types of microorganisms.
Identify characteristics of cellular organisms: Cellular organisms, such as algae, helminths, and bacteria, are composed of cells. They have structures like cell membranes, cytoplasm, and genetic material within a cell structure.
Examine the nature of viruses: Viruses are unique in that they do not have a cellular structure. They consist of genetic material (either DNA or RNA) surrounded by a protein coat, but lack the components that define a cell.
Compare viruses with cellular organisms: Unlike algae, helminths, and bacteria, viruses cannot carry out metabolic processes on their own and require a host cell to replicate, further emphasizing their acellular nature.
Conclude which group is acellular: Based on the understanding that viruses lack cellular structure and function, they are classified as acellular, distinguishing them from the other groups listed.
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