Pmdg 777 fsx10/21/2023 ![]() ![]() ![]() However, Chemistry World says some experts think the staining technique is "not precise enough to indicate whether certain compounds are present." The same staining method was applied to cartilage cells from a chicken to compare results between the two samples.īoth specimens reacted to the dyes in the exact same way, with one dinosaur chondrocyte revealing a nucleus with fossilized threads of chromatin - a complex of DNA and protein. ![]() ![]() The team extracted a piece of cartilage from the right femur of the specimen, then, under a microscope, they treated the cells with chemicals called hematoxylin and eosin, which are used to stain and light up different tissue structures.
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