What are the legs of a chromosome called?

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.

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

How do cells grow and reproduce to maintain homeostasis?