Multiple Choice
In the context of an outbreak investigation in microbiology, which individual is most likely to be identified as the source of infection for a child who develops symptoms after attending a daycare?
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1. Introduction to Microbiology
Introduction to Microbiology
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Which term describes a discrete mound of cells growing on a solid nutrient surface?
A
Spore
B
Colony
C
Culture
D
Biofilm
Verified step by step guidance1
Understand the context: The question asks for the term that describes a visible, discrete mound of microbial cells growing on a solid nutrient surface.
Recall definitions: A 'spore' is a resistant, dormant form of a microorganism, not a visible mound of cells.
Consider 'culture': This term refers to the growth of microorganisms in a medium, but it is a general term and does not specify a discrete mound.
Define 'biofilm': A biofilm is a complex community of microorganisms attached to a surface, often embedded in a matrix, but it is usually not described as a discrete mound on solid media.
Identify 'colony': A colony is a visible, discrete cluster or mound of cells that arises from a single cell or group of cells on a solid nutrient surface, making it the correct term.
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