London, United Kingdom
Gloved Hand Of A Researcher Holding A Petri Dish
Photograph - Photograph
Petri dish. Gloved hand of a researcher using forceps to place a grid on an agar plate in order to grow colonies of bacteria as part of a water purity check. The agar plate (white disc) is an ideal nutrient for growing colonies of bacteria. A water sample is placed on the the disc and the grid can be used for the counting of the resulting bacteria colonies. These colonies can be removed and analysed.
May 13th, 2013
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