What term describes the passive movement of salt across a semi-permeable membrane?

If an antibiotic has a MIC of 9 mg/ml, and a TD of 14 mg/ml, what will the Theraputic Index be?

What does the following statement about Bacillus anthracis really mean? Bacillus anthracis is a nonmotile, beta hemolytic, encapsulated, facultatively anaerobic, endospore forming, Gram-negative rod.

If the Aerotolorance experiment is being run in the laboratory, and your infusion medium shows growth and bubble just below the surface, what type of bacteria are growing in the tube?

What are the differential ingredients in a MAC?  What color do you look for if the organism is LAC-?

Which of these is not a function of a viral capsid?

Several features of the DNA molecule that make it useful in genetic enginering are the ability to __________ when heated to high temperatures, and _____________________ when cooled back down.

Explain the process by which the Varicella zoster virus can cause secondary infections later in life.

A scientist collects four sample broth cultures of bacteria and begins placing them in a spectrophotometer.  What is he measuring?

What are antigenic shift and antigenic drift?  Which of these is the reason that the world is so concerned about a bird flu pandemic?