×
Log in
Upload File
Most Popular
Study
Business
Design
Technology
Travel
Explore all categories
The top documents tagged [p p p p p p slide]
THE NUCLEIC ACIDS. Friedrich Miescher in 1869 isolated what he called nuclein from the nuclei of pus cells Nuclein was shown to have acidic properties,
256 views
1900 Charles T. R. Wilson’s ionization chamber Electroscopes eventually discharge even when all known causes are removed, i.e., even when electroscopes
214 views