The first dilution is from 0.1mL -> 25mL, which is 1 -> 250 in the stock solution (just multiply both sides by 10). Then we add 1mL of the stock solution to 1mL of the enzyme solution, which is a 1 -> 2 dilution. so the final answer should be [E]x500 (you get 500 from 250x2 from both dilutions).
This site uses cookies to help personalize content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies and terms of service.