What biological molecule helps break down sugar, starch and proteins?

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.

Name the type of chemical that speeds up digestion

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.