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Secilmis resim · 2000×1268 · 0.9 MB
Sheep blood is added to growth media to enhance the nutrients available for bacterial growth. Laboratory scientists grow various bacteria on this medium as well as numerous other media, in order to help assess infections in humans and animals. The image on the right shows growth of a beta-hemolytic streptococcus. The bacterium has produced a hemolytic compound that has lysed the red blood cells surrounding each colony. The plate was properly streaked to attain isolated colonies. The plate on the left is growing a Staphylococcus species. The plate was streaked too heavily, so isolated colonies
Fotograf/eser: Bill Branson – (Edited by Fir0002 )(Edited by Drhx ).
Public domain — serbestce kullanilabilir.
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