Q1. A scientist wants to grow human cells to use in an experiment. What must the scientist do to grow and maintain cells in the laboratory?

Q2. After contact with a patient’s spinal fluid, a lab technician developed fever, nausea, and purple lesions on her neck and extremities. A throat culture grew gram-negative diplococci. What is the genus of bacteria?

Q3. You are conducting field work and discover two groups of squirrels living on opposite sides of a lake. How would you plan a study to find out whether these two groups belong to the same species?