You are doing a DNA extraction in V. fischeri and are using proteinase K. What is the purpose of the Proteinase K? Let's say the protocol called for your suspension to have a concentration of proteinase Kat 10 ug/mL. Your suspension has a total volume of 13 ml. The stock tube has a concentration of 15 mg/mL. How much proteinase K will you add?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)