What is the function of the electron transport chain?

What two temperature scales do scientists use

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256