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A petri dish with bacteria colonies under a round magnifier

Science

Counting bacteria colonies on a petri dish

A hand holding a pen over a petri dish seen through a magnifier at a microbiology laboratory, used to count colonies of bacteria.

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By
William C. Shrout
Licence
Public domain (opens in a new tab): free for any use, including commercial
Source
Wikimedia Commons (opens in a new tab)
Tags
biology, microbiology, petri dish, bacteria, laboratory

Credit (appreciated, not required)

Photo: William C. Shrout via Pixy (https://pixy.org/5778820/)

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