What is the process by which cells are created with only 1/2 the amount of dna as the parent cell?

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.

How do accessory pigments chlorophyll?

Which of the following human activities resulted in the growth of the north american deer population?