Plasmid bacteria have been developed to produce insulin, which is used by many diabetes patients. which group of scientists most likely developed this bacteria?

a. genetic engineers

b. geological engineers

c. epidemiologist

d. microbiologist

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 of the following is a common response to cell signaling?

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium