system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In dating of bones, which of the following is false
assistant
The correct answer is  Dating of bones: - Fresh bone - 4 to 5 g% nitrogen content, In 50 - 100 years, the nitrogen content is more than 3.5 g% - Fresh bone shows 15 aminoacids, more than 100 years - 7 aminoacids - Blood pigments persist upto 100 years - Precipitin tests are negative after 10 years