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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tompkinson, Geoff |
Bildgröße: | 5049 px × 3290 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |