Light micrograph of Paramecium caudatum protozoa, showing food vacuoles containing red-stained yeast cells, which they were fed to show the process by which they ingest and digest their food. The yeast cells were stained with Congo red, a stain indicating low pH values by changing colour to blue. Microscopic contrast method: Differential interference contrast. Magnification: x400 when printed at 10 centimetres wide. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Guenther, Gerd |
Bildgröße: | 5616 px × 3744 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |